11. the by the time i got there.
a. closes b. closed c. had closed
12. for two hours when they stopped for a rest.
a. have been driving b. had been driving c. were driving
13. while bob was watering the flowers.
a. cooked b. has been cooking c. was cooking
14. more and more efficient.
a. are becoming b. become c. is becoming
15. every day for the last six months.
a. exercises b. is exercising c. has been exercising
16.- what is she doing? - the flowers.
a. is smelling b. smells c. has been smelling
17. the round the sun.
a. is going b. goes c. was going​

TrueStOrY133    1   15.01.2020 13:37    3