-
一、选择题
1
．
—________ I borrow the books from the library, Miss Yang?
—Sorry, you________. These books are only for members of the English Club.
A
．
Can; couldn’t
C
．
Could; couldn’t
A
．
mustn’t B
．
ought not to
B
．
Could; can’t
D
．
Can; needn’t
C
．
needn’t D
．
don’t have to
2
．
Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
3
．
— Do you think it is safe to shop online?
— I think so. On Taobao, customers return goods with no questions asked
，
but they ______
pay delivery costs.
A
．
can’t; can B
．
must; must C
．
can; have to D
．
mustn’t; can
4
．
―I can't stop smoking, Doctor.
―For your health, I'm afraid you .
A
．
must B
．
can C
．
need D
．
have to
5
．
—Is Wendy in the classroom now?
—I’m not sure. She ________ be there. I saw her in the library ten minutes ago.
A
．
may not
A
．
may
B
．
must not
B
．
can
C
．
shall not
C
．
must
D
．
would not
D
．
need
6
．
All passengers_____ go through safety check before they take a plane.
7
．
—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
8
．
—______ 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
A
．
throw it away
C
．
throw them away
10
．
-Listen! A wolf is crying!
-It _______ be a wolf, because a wolf never comes out at this time.
A
．
mustn’t
A
．
may
B
．
needn’t
B
．
can
C
．
can’t
C
．
must
D
．
don’t
D
．
need
11
．
It is 11:00 p.m now. Peter hasn't come back yet. His mother ______ be very mad at him.
12
．
—Must we finish the work right now?
—No, you ________. You can do it tomorrow.
A
．
needn’t B
．
shouldn’t C
．
mustn’t D
．
can’t
13
．
It’s raining all day, so I ________ stay at home.
B
．
Can; couldn’t C
．
Could; can’t
B
．
to throw it away
D
．
to throw them away
D
．
Can; mustn’t
9
．
The milk tastes bad. You’d better_______.
A
．
can’t
— .You can do it later.
A
．
No, you needn’t
A
．
could
A
．
can’t
—No, you ________.
A
．
mustn’t
B
．
has to C
．
have to
14
．
— Must I finish the homework now?
B
．
Yes, you must
B
．
may
B
．
mustn’t
C
．
should
C
．
don’t
C
．
No, you can’t
D
．
can
D
．
needn’t
15
．
Everyone______ be polite to their parents.
16
．
— Must I go home? — No, you ________.
17
．
—Must I hand in my reports today?
B
．
can’t C
．
shouldn’t D
．
don’t have to
18
．
—We've prepared all kinds of foods for the picnic.
—Do you mean I___ bring anything?
A
．
can't
not do in class.
A
．
must; must
C
．
need; need
—That’s right.
A
．
need
A
．
must
A
．
can
B
．
may
B
．
may
B
．
can’t
C
．
must
C
．
can
C
．
must
D
．
can
D
．
need
D
．
mustn’t
21
．
Even the top student can't work out this problem, so it________ be too difficult.
22
．
I see the blackboard. I need to have my glasses.
B
．
will; will
D
．
might; might
B
．
needn't C
．
mustn't D
．
won't
19
．
My head teacher has made a set of rules to show what we students ________ and ________
20
．
—I often see Maria in the library, and she _________ like reading best.
【参考答案】
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一、选择题
1
．
B
解析：
B
【解析】
【分析】
【详解】
句意：
——
杨小姐，我能从图书馆借这些书吗？
——
对不起，你不能。这些书仅供英语俱
乐部的会员借阅。
考查情态动词的 用法。
can“
能，会
”
，情态动词；
could
是
can
的过去式。表示请求允许
（即请求别人允许自己做某事）时，既可用
can
也可用
could
，但这里的
could
并不表示过去，而是表示现在，只是比
can
的语气更委婉。若表示给予允许（即自己允许别人做某< br>事），一般只用
can/can’t
。综上所述，故选
B
。
2
．
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！
“
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
。
3
．
C
解析：
C
【解析】
【详解】
句意：
——
你认为网上购物安全么？
——
我觉得是的。淘宝上，消费者可以无理由退货，
但是他们要承担运费。
考查情态动词辨析。
A. can’t; can
不能，能；
B. must; must
必须，必须；
C. can; have to
可
以，不得不；
D. mustn’t; can
禁止，能。根据句意表 示的是顾客能退货，是可以，第一空用
can
；但是不得不承担运费，非主观情愿用
h ave to
。故选
C
。
4
．
D
解析：
D
【解析】
【详解】
句意：
——
我不能戒烟，医生。
——
为了你的健康，恐怕你得这么做。
< br>考查情态动词辨析。
must
必须，强调主观意愿；
can
能，表能力 或许可；
need
需要，指有
必要；
have to
必须，强调客观需要。根据
“For your health
为了你的健康”
，可知无论愿不
愿意戒烟是健康所需，故选
D
。
5
．
A
解析：
A
【解析】
【详解】
句意：
—
温迪现在在教室吗？
—
我不确 定。她可能不在那里，十分钟前我在图书馆见过
她。
考查情态动词表推测。
may not
可能不；
must not
一定不要；
shall not
将不会；
would not
将要、会、就会，表示虚拟、假设、条件等。根据回答句
“I’m not sure”
，可推测后句应该
是说：她可能不在那里。是对现在情况的推测，
may not“
可能不
”
。故选
A
。
6
．
C
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