游客
题文

7、Every possible means ______ to prevent the air pollution, but the sky is still not clear.

A.is used B.are used C.has been used D.have been used
科目 英语   题型 单选题   难度 容易
知识点: 主谓一致
登录免费查看答案和解析
相关试题

I can guess you were in a hurry. You ______ your sweater inside out.

A.had worn B.wore
C.were wearing D.are wearing

--- Have you finished the report?
--- No. I ______ it all this week.

A.will do B.had done
C.have done D.have been doing

The house was sold for $60,000, which was far more than its real ____.

A.cost B.value C.price D.money

1 didn’t mean ____ anything, but those apples looked so good I couldn t resist ____ one.

A.to eat; trying B.to eat; to try C.eating; trying D.eating; to try

I should like to try that coat on, but I don t know if it is my ____.

A.length B.measure C.size D.pattern

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

粤ICP备20024846号