Younger adults who get either little sleep or a lot of it see a greater expansion in their waistlines over time.A. may B. must D. need D. Shall 题目和参考答案——青夏教育精英家教网—

题目内容

26.Younger adults who get either little sleep or a lot of it ________ see a greater expansion in their waistlines over time.
A. may B. must D. need D. Shall

略

练习册系列答案

A．know; would tell	B．would know; would tell
C．knew ; would tell	D．know ; tell

Persons under18 not be employed in night work in the United States.

He was a good swimmer, so he _____ swim across the river.

We were all waiting for you. You _____ for the seaside by yourself without
leaving a message.

A．mustn’t leave	B．shouldn’t have left
C．could not have left	D．needn’t leave

9．“Oh, Peter, you are running a high fever. You _______ go to see a doctor or you’ll miss the entrance exam.” said the teacher.

18.When we were young, every evening we ____ stay at home waiting for our mother.

It’s said that there are plenty of hotels in that town. There be any difficulty for you to find somewhere to stay .

What a pity! I ______ in Hainan two more days, but something urgent needed to be dealt with back home.

A． must have stayed	B． needn’t have stayed
C． may have stayed	D． could have stayed

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