游客
题文

——Is there any possible way to help them get rid of such a bad habit?
——To tell the truth, it’s very hard. But we_______ on this problem.

A.worked B.had worked C.are working D.had 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


George Washington was born in 1732 in a rich family in _______ is now the state of Virginia.

A.which B.where C.that D.what


_____ do you think will teach us math next term?

A.Whom B.Who C.What D.That


. The reason why I have to go is _____ if I don’t.

A.that she will be disappointed B.because she will be disappointed
C.because of her being disappointed D.that she will be disappointing


_____ I accept the gift or refuse it is none of your business.

A.If B.Whether C.Even if D.No matter when


_____ we need more practice is quite clear.

A.When B.What C.That D./

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

粤ICP备20024846号