游客
题文

— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.  
— Oh, dear ! She ______ a lot of difficulties !

A.may go through B.might go through
C.ought to have gone through D.must have gone through
科目 英语   题型 单选题   难度 容易
登录免费查看答案和解析
相关试题

These students are quick at learning. We'll have them __________ with new methods.

A.training B.to train
C.to be trained D.trained

What he lacks is more patience,___________?

A.isn't it B.is it C.doesn't he D.does he

I told him what I was surprised____________ his attitude towards his study.

A.is B.was C.at is D.at was

The visiting Minister expressed his satisfaction with his talk,__________ that he had enjoyed his stay here.

A.having added B.to add C.adding D.added

I just don't understand_______ that prevents so many Americans from being as happy as one might expect.

A.why it does B.what it does C.what it is D.why it is

Copyright ©2020-2025 优题课 youtike.com 版权所有

粤ICP备20024846号