12. He used to fall asleep without (take) ___________________________ his shoes off. 13. My watch keeps (stop) ___________________________. 14. I remember (meet) __________________________ you somewhere last month. 15. The boys next door used (like) ___________________(make) ______________________ and (fly) __________________ model aero planes, but they seem to have stopped (do) __________________ that now.

Cách làm:

12. He used to fall asleep without taking off his shoes.
13. My watch keeps stopping.
14. I remember meeting you somewhere last month.
15. The boys next door used to like making and flying model aeroplanes, but they seem to have stopped doing that now.

Đáp án:
12. He used to fall asleep without taking off his shoes.
13. My watch keeps stopping.
14. I remember meeting you somewhere last month.
15. The boys next door used to like making and flying model aeroplanes, but they seem to have stopped doing that now.

The boys next door used to enjoy making and flying model aero planes, but they seem to have stopped doing so now.

He used to fall asleep without taking off his shoes.

The boys next door used to like making and flying model aero planes, but they seem to have stopped doing that now.

I remember meeting you somewhere last month.