问题补充:
Rita and Anna have finished their homework, ?
A. have they B. haven’t they C. didn’t they
答案:
解析:本题为反义疑问句,前句是肯定的,后句用否定的结构,本题的否定结构为haven’t,故本题选B。
时间:2021-01-27 14:18:10
Rita and Anna have finished their homework, ?
A. have they B. haven’t they C. didn’t they
解析:本题为反义疑问句,前句是肯定的,后句用否定的结构,本题的否定结构为haven’t,故本题选B。