游客
题文

The doctor must be _______ 24 hours a day, 7 days a week in the boarding school.

A.on call B.by hand C.in sight D.on spot
科目 英语   题型 单选题   难度 中等
知识点: 介词
登录免费查看答案和解析
相关试题

Interest, as well as prospects(前景), important when one looks for a job.
A are B were C is D was

—I can’t repair these until tomorrow, I’m afraid.
—That’s OK, there’s _______.

A.no problem B.no wonder C.no doubt D.no hurry

.—What are you reading, Tom?
—I’m not really reading, just ______ the pages.

A.turning off B.turning around C.turning over D.turning up

The _______ house smells as if it hasn’t been lived in for years.

A.little white wooden B.little wooden white
C.white wooden little D.wooden white little

.______, the pay isn’t attractive enough, though the job itself is quite interesting.

A.Generally speaking B.On the contrary C.In particular D.To be honest

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

粤ICP备20024846号