viết thành câu hoàn chỉnh ở thì quá khứ tiếp diễn dựa trên gợi ý 

1. ( they/take the exam?)

2. ( when /he / work there?)

3. ( you/ make dinner?)

4. ( they / drink coffee when you arrived?)

5. ( when / we / sleep?)

6. ( they / study last night)

7. (we / talk when the accident happened)

8. (he / not exercise enough)

9. (i / talk too much)

10. (it / not / snow )

they usually      (leave) on sundays