一．变成一般疑问句
1.She cleaned the room yesterday.
2.He played football last Sunday.
3.Mike watched TV yesterday evening.
4.We visited our grandparents last weekend.
5.She washed her clothes yesterday.
6.They went to Harbin by plane.
7.I saw elephants last weekend.
8.We took some pictures in Changchun.
9.He did his homework yesterday.
10.I went skiing.
11.I bought presents for my friends.
12.We got back to Nanjing by train.
13.It was interesting.
14.I ate a good meal.
15.I went to Canada last year.
16. ...