初三英语选择题（情态动词，系动词）今天要啊！！！

Question

1.-Who's the man over there? Is it Mr Black?
-It _____ be him. He's much taller
A can't B mustn't C should D may

2.-Long time no see!
-Oh, it __ like years since I last saw you.
A looks B seems C feels D sounds

3.-It must be John who is in the office.
-I'm sure it _____ be John. I saw him off at the railway station just twenty minutes age.
A won't B mustn't C can't D needn't

4.-Listen! Helen is singing in the next room.
-It ____ be Helen. She has gone to Beijing.
A can't B mustn't C may D should

Answer 1

1、A
否定推测，根据后面所说的Mr Black是更高所以不可能是他。
can't 表示不可能
mustn't表示禁止，不允许
should表示应该
may表示可能，也许

2、B
seem+like+n./ V-ing，意思是"看起来像……,似乎"
意思:噢!现在离我最后一次见你已经有好几年了!
seem多用于抽象,look多用于实物,所以用seem.

3、C
同第一题，否定推测。表示不可能，根据后面所说的，20分钟之前我去火车站为他送行，可以推断出JOHN不可能在办公室
won't 表示不会，不愿意
needn't 表示不需要

4、A
同上。她去了北京，所以在隔壁唱歌的就不可能是她。

Answer 2

1 A
2 B
3 C
4 A

Answer 3

A，否定的猜测；
B；
D，否定的猜测；
A，否定的猜测

Answer 4

A B C A