He must have been there before,________?
A、wasn’t he
B、haven’t he
C、doesn’t he
D、isn’t he
【正确答案】：A
【题目解析】：因为 must +完成形式have been here yesterday表推测，意思是：“他之前一定来过这里”。又因为是时间是【之前】，是过去时，谓语动词是be，所以反义疑问部分要用be的过去形式，应该是wasn't he?
He must have been there before,________?
- 2024-09-16 20:24:30
- 英语（高升专）(c0003)