游客
题文

The rivers will become dirtier and dirtier________ we take action to protect them.

A.since B.if C.until D.unless
科目 英语   题型 单选题   难度 中等
知识点: 连词成句
登录免费查看答案和解析
相关试题

The nice T-shirt must be________,because they both like wearing T-shirts.

A.Mary and Linda’s
B.Mary’s and Linda’s
C.Mary or Linda’s
D.Mary’s or Linda’s

My mother bought me a book________India.

A.to
B.for
C.at
D.on

I was terribly________about the children when they didn’t come home from school.

A.worried
B.nervous
C.angry
D.happy

The dictionary must be Fink’s,________?

A.mustn’t it
B.must he
C.isn’t it
D.doesn’t he

The nice hair band________Alice.

A.must be
B.might belong to
C.may be
D.can belong

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

粤ICP备20024846号