Lời giải chi tiết :

2) When did he clean the room ?

3) What did my sister buy for me ?

4) Where did we stay last summer vacation ?

5) What time did she get up this morning ?

6) How did I get to school last Monday ?

7) Where was I last Sunday ?

8) When was I born ?

9) Who speak about his vacation ?

10) What did he see in Dalat ?

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2 when did he clean the room

3 what did my sister buy me last week

4 where did you stay last summer vacation

5 what time did she get up this morning

6 how do you go to school last Monday

7 where were you last sunday

8 when were you born

9 who speak about his vaction

10 what did he see in da lat