游客
题文

-----This returned Chinese scholar has become one of the top experts in this field.
-----Yes, I know him very well. He _____ in Africa with wild animals for eight years.

A.is working B.had worked C.worked D.has been working
科目 英语   题型 单选题   难度 较易
知识点: 动词语态
登录免费查看答案和解析
相关试题

Certainly I posted your letter—I remember ______ it.

A.posting B.to post C.to be posting D.have posted

Scarlett Johnasson developed ______ interest in acting at three and has made herself perhaps ______ finest actress of her generation.

A.an; a B./; the C.an; the D./; a

After being discovered by Dutch explorers in 1606,the eastern half of Australiaby the British in 1770.

A.was claimed B.claimed C.was claiming D.has been claimed

Women prefer to buy food which has already been preparedit reaches the market.

A.after B.for C.before D.until

Scientific surveys conducted during the climbs that Mount Huandoy in Peru
6395 meters high.

A.shown;is B.showed;was C.shows;was D.showed;is

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

粤ICP备20024846号