游客
题文

The light is still on. They ___ to turn it off when they left the room.

A.must forget B.could have forgotten
C.may forget D.must have forgotten
科目 英语   题型 单选题   难度 较易
登录免费查看答案和解析
相关试题

Father made a promise ___ I passed the examination he would buy me an MP6 player.

A.that B.which C.whether D.that if

There are so many viruses on the Internet. If ____ accidentally, the viruses may make
your computer break down.

A.downloading B.to be downloaded
C.downloaded D.being downloaded

In front of our house _______ we used to swim.

A.a river lies that B.does a river lie where
C.lies a river which D.lies a river where

We were finally able to make the customers _______ of the quality of the refrigerator.

A.to convince B.convincing C.convince D.convinced

He expects to _______ the business when his father retires.

A. pick up B.make sense C.take over D.make up

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

粤ICP备20024846号