游客
题文

A good teacher must be able to hold his students’ attention ____ he reaches the end of the class.

A.when B.after C.until D.unless
科目 英语   题型 单选题   难度 较易
知识点: 从属连词
登录免费查看答案和解析
相关试题

We have a high regard for Mr. Black because he always tries to ________ his principles.

A.live up to B.look forward to
C.catch up with D.put up with

To make it more convenient for people to visit Taiwan, several _____air services fromthe mainland have come into use.

A.reliable B.Permanent
C.regular D.constant

一You don’t go to that supermarket quite often, do you?
—No, I only go there ______because it’s too far away from my house.

A.gradually B.Temporarily
C.occasionally D.briefly

The girl arranged to have piano lessons at the training center with her sister ______ she would stay for an hour.

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

Dave nearly ran into a block when walking down the street with his mind ______ on the word puzzle.

A.to fix B.fixing C.fixed D.was fixed

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

粤ICP备20024846号