题目

完形填空.​we must 1 to bed early and get up early in the morning.(紧急求助）
if we 2 ,we shall be healthy.The baby 3 enough sleep.Children need nice 4 sleep every night.Some 5 go to bed late at night and get up late in the morning.This is 6 good for them.We 7 sleep when it is dark.when 8 breaks,we must get up.

A.went  B.go  C.going 

A.do  B.does  C.did

A.need  B.need to  C.needs

A.hours'  B.hours  C.hour's

A.child  B.people  C.man

A.no  B.hardly  C.not

A.must  B. can C.may

A.this  B.it  C.that

提问时间：2020-07-24

答案

1 B
情态动词MUST 后接动词原形
2 A 主语是复数,一般现在时
3 C 主语是三单
4 A （ nine hours's sleep 九小时的睡眠时间
5 B （ SOME 后接可数名词复数
6 C 否定句
7 A 天黑我们必须睡觉
8 B （ 根据前一句可知）
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