游客
题文

Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
A. while          B. before          C .when        C. since

科目 英语   题型 单选题   难度 容易
知识点: 从属连词
登录免费查看答案和解析
相关试题


The boy burst into tears ________ he saw his mother.

A.at the moment B.in a moment C.for a moment D.the moment


Raising environmental awareness was the aim of our art exhibition ____ last week.

A.to hold B.held C.having held D.being held


_________ he was, he still went on with his work.

A.Tired although B.Tiring as C.Tired though D.While tired


It is ten years since we ________ each other last time.

A.see B.have seen C.saw D.had seen


More wild tigers have been seen in the forest around this area, ________ there used to be very few.

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

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

粤ICP备20024846号