Question

请给出答案和原因,重谢1、We had better____a trolley before we enter the

Answer 1

1 A

had better do sth. 最好做某事

2 D

选形容词,排除AC,B形容人排除

3 B

used to 表示过去

4 B

look forward to doing sth. 期待做某事

5 B

选动词,排除A,C（去某地）D（停止）不符句意

6 B

用过去时

7 C

be used to doing sth. 习惯做某事

8 C

选A句中缺介词,B要去掉to,D要加to