1. Don't forget 2. They will never forget
(phone) me when you are away on holiday
(go) to England a year ago.
B
1. Always remember
2. I will always remember
(switch) off the light when you go out.
(act) on the stage for the first time.
с
D
1. We didn't mean
(interfere) at all!
2. It would mean
(wait) for a long time. Is that OK?
1. Now I regret
(buy) the house which is so far from the centre.
2. I regret
(say) that you have failed the examination.
1. The boy tried
(reach) the ceiling, but he was too short.
2. Try
(knock) again if nobody answers.
1. The fat man stopped
(take) his breath, he had been running
2. Last year he stopped
(smoke) and hasn't smoked ever since.
F
1. I prefer
2. I'd prefer
(swim)
(jog) to
(eat) out tonight

1. Don't forget (to phone) me when you are away on holiday.
Explanation: The word "phone" is missing after "Don't forget", so the correct answer is "to phone".
Solution: Don't forget to phone me when you are away on holiday.

2. They will never forget (to go) to England a year ago.
Explanation: The word "go" is missing after "They will never forget", so the correct answer is "to go".
Solution: They will never forget to go to England a year ago.

3. Always remember (to switch) off the light when you go out.
Explanation: The word "switch" is missing after "Always remember", so the correct answer is "to switch".
Solution: Always remember to switch off the light when you go out.

4. I will always remember (to act) on the stage for the first time.
Explanation: The word "act" is missing after "I will always remember", so the correct answer is "to act".
Solution: I will always remember to act on the stage for the first time.

5. We didn't mean (to interfere) at all!
Explanation: The word "interfere" is missing after "We didn't mean", so the correct answer is "to interfere".
Solution: We didn't mean to interfere at all!

6. It would mean (to wait) for a long time. Is that OK?
Explanation: The word "wait" is missing after "It would mean", so the correct answer is "to wait".
Solution: It would mean to wait for a long time. Is that OK?

7. Now I regret (buying) the house which is so far from the center.
Explanation: The word "buying" is missing after "Now I regret", so the correct answer is "buying".
Solution: Now I regret buying the house which is so far from the center.

8. I regret (to say) that you have failed the examination.
Explanation: The word "say" should be replaced with "to say".
Solution: I regret to say that you have failed the examination.

9. The boy tried (to reach) the ceiling, but he was too short.
Explanation: The word "reach" is correct, no changes needed.
Solution: The boy tried to reach the ceiling, but he was too short.

10. Try (to knock) again if nobody answers.
Explanation: The word "knock" is correct, no changes needed.
Solution: Try to knock again if nobody answers.

11. The fat man stopped (to take) his breath, he had been running.
Explanation: The word "take" should be replaced with "taking".
Solution: The fat man stopped taking his breath, he had been running.

12. Last year he stopped (to smoke) and hasn't smoked ever since.
Explanation: The word "smoke" is correct, no changes needed.
Solution: Last year he stopped to smoke and hasn't smoked ever since.

13. I prefer (to swim) to (to jog) to (to eat) out tonight.
Explanation: The words "to swim", "to jog", and "to eat" are correct, no changes needed.
Solution: I prefer to swim to jog to eat out tonight.