游客
题文

Our school has about 100 computers, but only sixty percent ____ used regularly.

A.is B.are C.was D.were
科目 英语   题型 单选题   难度 中等
登录免费查看答案和解析
相关试题

The drill in Antarctica dragged on slowly because of lack of money, equipment breakdowns, environmental _____ and severe cold.

A.concerns
B.assumption
C.occupations
D.ignorance

Can you show me a case this phrase is often misused by Chinese students, Mr. Brown?

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

—What on earth makes you apply for the position as a guide?
—This is the job that I .

A.looked for B.had looked for
C.will look for D.have been looking for

The students entered the classroom,smiling and________,and ______ down to have their lessons.

A.talked;sat B.talking;sitting
C.talking;sat D.talked;sitting

He kept a little notebook, in which the names and addresses of his friends.

A.wrote B.was writing
C.were written D.was written

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

粤ICP备20024846号