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一、选择题
1
．
It is 11:00 p.m now. Peter hasn't come back yet. His mother ______ be very mad at him.
A
．
may B
．
can C
．
must D
．
need
2
．
-Listen! A wolf is crying!
-It _______ be a wolf, because a wolf never comes out at this time.
A
．
mustn’t
A
．
mustn’t
come at 9 :00.
A
．
can't B
．
mustn't C
．
needn't D
．
couldn't
5
．
―I didn’t pass the driving test again.
―Don't worry. Just like the weather, life be beautiful all the time.
A
．
can't
A
．
can
B
．
needn't
B
．
may be
C
．
shouldn't
C
．
might
D
．
mustn't
D
．
must
6
．
I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure.
7
．
—Jenny, you _________ push your way onto the bus.
—I’m really sorry about it.
A
．
mustn’t B
．
needn’t C
．
may not
8
．
— Mom, I got a big box from express(
快递
). What is it?
— I’m not sure. It ________be a present from your grandmother.
A
．
should B
．
might C
．
must D
．
will
9
．
—Doesn’t Frank like staying at home and looking after his little sister?
—_______, but he ________ because both of his parents work.
A
．
Yes; has to
C
．
Yes; doesn’t have to
B
．
No; has to
D
．
No; doesn’t have to
B
．
needn’t
B
．
ought not to
C
．
can’t
C
．
needn’t
D
．
don’t
D
．
don’t have to
3
．
Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
4
．
You have finished most of the work, so you ____ start working so early tomorrow. You may
10
．
—Must I finish my homework this evening?
—No,you ________.You have a three
﹣
day holiday.
A
．
won't
A
．
must
— ________.
A
．
Yes, I could B
．
No, I can’t C
．
Yes, I can D
．
No, I won’t
13
．
—Must I go out to have dinner with you, Mum?
—No, you , my dear. You’re free to make your own decision.
A
．
shouldn’t B
．
mustn’t C
．
needn’t D
．
can’t
14
．
(2017·10)—I wonder if these are Danny's glasses.
甘肃白银
·
B
．
mustn't
B
．
may C
．
can’t
C
．
needn't
D
．
mustn’t
11
．
He like coffee. I see him drink a cup at times.
12
．
— Could you play the piano when you were 8 years old?
—They________be Danny's. He doesn't wear glasses.
A
．
can't
A
．
must be
B
．
must
B
．
may be
C
．
mustn't
C
．
can’t be
D
．
can
D
．
mustn’t be
15
．
This book _____ Lucy’s. Look! Her name is on the book cover.
16
．
---I heard they went skating in the mountains last winter.
---It ______ true because there was little snow there.
A
．
may not be B
．
won’t be C
．
couldn’t be D
．
will be
17
．
—The food ________be delicious . You ate it up .
—You bet . My mum cooked it for me .
A
．
must B
．
may C
．
can D
．
need
18
．
— Mum, I’ve signed for a big box by Future Express (
快递
). What’s in it?
— I’m not sure. It ________be a present from your brother.
A
．
need
—No, you ________.
A
．
mustn’t B
．
can’t C
．
shouldn’t D
．
don’t have to
20
．
---You look very pretty, if I say so.
---Thanks a lot for saying that.
A
．
must
—Yes, you .
A
．
will B
．
could C
．
may D
．
might
22
．
—______ you please tell me something about the life in Canada or America?
— Sorry, I______. I don’t know either. I’m from Australia.
A
．
Could; couldn’t B
．
Can; couldn’t C
．
Could; can’t D
．
Can; mustn’t
B
．
may C
．
will D
．
have to
21
．
—Could I call you by the first name?
B
．
must C
．
may D
．
will
19
．
—Must I hand in my reports today?
【参考答案】
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一、选择题
1
．
C
解析：
C
【解析】
句意：现在
11
点了，皮特还没有来，他的妈妈一定很生气了。
A. may
也许；
B. can
可
能；一般用于否定句；
C. must
一定；一般用于肯定句；
D. need
需要。根据
It is 11:00
p.m now.
可知，表示对现在的推测，根据
Peter hasn't come back yet.
可知，可推测妈妈一定
生气了。推测的可能性很大，故选
C
。
2
．
C
解析：
C
【解析】
【详解】
句意：
--
听
!
狼在叫
! --
它不可能是狼，因为狼从来不会在这个时候出来。
A. mustn’t
禁止；
B. needn’t
没有必要；
C. can’t
不可能；
D. don’t
构成一般现在时的否定
句。根据
“because a wolf never comes out at this time
因为狼从来不会在这个时候出来
”
，可
推断它不可能是狼，故选
C
。
【点睛】
情态动词表推测的用法：
can
表示
“
可能
”
；< br>can’t
表示
“
不可能
”
；
may
表示< br>“
可能
”
，
must
表
示
“
一定< br>”
，注意
mustn’t
表示
“
禁止
”
不表 示推测，表示否定推测要用
can’t.
3
．
A
解析：
A
【解析】
【分析】
【详解】
句意：看这个标志！上面写道
“
禁止吸烟！
“< br>你不能抽烟。这是危险的。
mustn’t
禁止，不允
许；
ought not to
不应该，不应当；
needn’t
不必；
don’t have to
不必。根据
“No Smoking!”
可
知此处禁止吸烟，所以选
A
。
4
．
C
解析：
C
【解析】
【详解】
句意：你已经完成了大部分工作，所以你明天不必这么早就开始工作。你可 以
9
点来。
本题考查情态动词。
can't
不可能，mustn’t
禁止，
needn’t
不必，
couldn’t
可能不。根据
You
have finished most of the work可知，你已经完成了大部分工作，因此明天不必这么早就开
始工作，因此用
needn’t
，故选
C
。
5
．
A
解析：
A
【解析】
【详解】
句意：
——
我驾照考试又失败了。
——
别担心。就像天气一样，生活也不可能一直是 美丽
的。
考查情态动词。
can't
不可能；
needn 't
不必；
shouldn't
不应该；
mustn't
一定不能。 根据句
意，应是不可能一直美丽。故选
A
。
6
．
C
解析：
C
【解析】
【详解】
句意：乔的生日我给她买了一条漂亮的项链。她可能会喜欢，但是我不确定。
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