Complete the following sentences with comparative constructions.

1. barbara is nearly old her stepmother. 2. there are more two thousand books in my mother's library. 3. bob talks just his father. 4. would you be kind to close the door for me? 5. do i tell you; don't do i do. 6. i am not naive to believe all he promises me. 7. after your heart attack you should walk slowly possible. 8. the volga is not now wide it was. 9. i have many working hours a week any other employee. 10. a shower uses less water a bath. 11. on sundays we don't have to get up early usual. 12. this house is two times big the old one. 13. they use twice much electricity .. compressor machines. 14. in my opinion, it's worth more twice that figure. 15. he can lift a box thrice heavy.

1. barbara is nearly as old as her stepmother.
Explanation: The correct comparative construction to use here is "as...as". This construction is used to compare two things and means that the two things are equal in the quality being compared.

2. there are more than two thousand books in my mother's library.
Explanation: The correct comparative construction to use here is "more than". This construction is used when comparing quantities, and it indicates that the quantity being described is greater than another quantity.

3. bob talks just like his father.
Explanation: The correct comparative construction to use here is "like". This construction is used to compare the ways in which two people do something and means that they do it in a similar manner.

4. would you be kind enough to close the door for me?
Explanation: The correct comparative construction to use here is "kind enough". This construction is used to ask someone to do something for you in a polite way.

5. do as I tell you; don't do as I do.
Explanation: The correct comparative construction to use here is "as...as". This construction is used to compare two actions or behaviors and means that one should be imitated and the other should not be imitated.

6. I am not naive enough to believe all he promises me.
Explanation: The correct comparative construction to use here is "naive enough". This construction is used to describe a person or their actions in a negative way, indicating that they are not foolish or easily deceived.

7. After your heart attack you should walk as slowly as possible.
Explanation: The correct comparative construction to use here is "as...as". This construction is used to describe the degree or extent of an action, and it means that the action should be done to the maximum degree possible.

8. The Volga is not as wide as it was.
Explanation: The correct comparative construction to use here is "as...as". This construction is used to compare the width of the Volga River now to its width in the past, and it means that the width now is not equal to or greater than the width in the past.

9. I have as many working hours a week as any other employee.
Explanation: The correct comparative construction to use here is "as...as". This construction is used to compare the number of working hours a week that the speaker has to the number of working hours that any other employee has. It means that the hours are equal in quantity.

10. A shower uses less water than a bath.
Explanation: The correct comparative construction to use here is "less...than". This construction is used to compare the amount of water that a shower uses to the amount of water that a bath uses, and it means that the amount for a shower is smaller than the amount for a bath.

11. On Sundays we don't have to get up as early as usual.
Explanation: The correct comparative construction to use here is "as...as". This construction is used to compare the time at which the speaker has to wake up on Sundays to the time at which they usually have to wake up. It means that the time on Sundays is equal to or later than the usual time.

12. This house is twice as big as the old one.
Explanation: The correct comparative construction to use here is "twice as...as". This construction is used to compare the size of the speaker's current house to the size of their old house, and it means that the current house is two times the size of the old one.

13. They use twice as much electricity as compressor machines.
Explanation: The correct comparative construction to use here is "twice as...as". This construction is used to compare the amount of electricity that "they" use to the amount that compressor machines use, and it means that the first group uses two times the amount.

14. In my opinion, it's worth more than twice that figure.
Explanation: The correct comparative construction to use here is "more than". This construction is used when comparing the value of something to another value, and it means that the first value is greater than the second value.

15. He can lift a box three times as heavy.
Explanation: The correct comparative construction to use here is "three times as...as". This construction is used to compare the weight of a box that he can lift to the weight of another box, and it means that the weight of the first box is three times the weight of the second box.