Đáp án :
17. What did Hoa (try)...try...on yesterday?
18. Who (talk)...did talk...to about the film on TV last Monday?
19.Where did they ( stop)...stop...on their way back last Sunday?
20. What did the student (wear) ...wear...at school two years ago?
21. Where did you (put) ...put... the cake yesterday?
22. What time did you (leave )....leave...home for school yesterday?
23. What did Ba(receive)..receive....from Liz last week?
24. How long did he (do)..do........this hat yesterday?
25. What time did you (go)...go.....to bed last night?
26. Did you (go) ....go....to Dalat for last tet vacation?
27. Did he (have) ...have.....a lot of friends in Ho Chi Minh city 3 years ago?
28. Did his uncle (take).....take.....him to see Tri Nguyen aquarium last week?
29. Did Liz (buy)....buy..... a lot of souvenirs yesterday?
30. Did they (put) ..out......the fish in the big bag last Sunday?
