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一、选择题
1．—Could you please hang out with me this afternoon?
—______. I have to make a plan for Clean-Up Day.
A．Sorry, I couldn’t B．Sorry, I can’t
C．Sure, I can D．Sure, I could
2．―I can't stop smoking, Doctor.
―For your health, I'm afraid you .
A．must B．can C．need D．have to
3．I’ve bought a nice necklace for Jo’s birthday. She _____like it, but I’m not sure.
A．can B．may be C．might D．must
4．—Is Wendy in the classroom now?
—I’m not sure. She ________ be there. I saw her in the library ten minutes a go.
A．may not B．must not C．shall not D．would not 5．—Is that Kate’s green bike?
—It ____________be hers. She likes pink.
A．can’t B．could C．mustn’t D．might
6．—I can't stop smoking, doctor.
—For your health, I'm afraid you ________.
A．must B．can C．may D．need
7．—Hi, Lucy, may I sit here?
—No, ________. The seats are for teachers and parents.
A．you needn't B．you aren't C．you mustn't D．you don't 8．—Tom, we’re going shopping at eight, right?
—Yeah, but I ______ be a little late, so don’t wait for me.
A．may B．should C．mustn’t
9．—______ 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 10．You have finished most of the work, so you ____ start working so early tomorrow. You may come at 9 :00.
A．can't B．mustn't C．needn't D．couldn't 11．You should________ the teacher________being late for school.
A．apology to, about B．apologize to, for
C．apologies to, for D．apologize to, on
12．I’m sorr y, children over 1.4 meters________pay the full price for the show.
A．may B．must C．can D．ought to 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．T his book _____ Lucy’s. Look! Her name is on the book cover.
A．must be B．may be C．can’t be D．mustn’t be 15．The flowers ________ every day, or they will die.
A．must water B．can be watered
C．should water D．must be watered
16．-_________ you help me with my homework?
-Of course if I __________.
A．Could; could B．Can't; can C．Could; can D．Can; could
17．---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
18．— Will Jim come to Yangzhou for a holiday?
— He ________come, it depends on how much homework he will have.
A．may B．should C．must D．need
19．Will you please________them________the Birdwatching Society?
A．inviting; join B．to invite; to join C．invite; to join D．to invite; join 20．—Must I hand in my reports today?
—No, you ________.
A．mustn’t B．can’t C．shouldn’t D．don’t have to 21．My head teacher has made a set of rules to show what we students ________ and ________ not do in class.
A．must; must B．will; will
C．need; need D．might; might
22．—Susan, someone is waiting for you on the phone. It_______ be your sister, but I’m not sure.—Oh, please tell her to call me_______ because I’m busy now.
A．might; later B．must; later C．might; late D．must; late
【参考答案】***试卷处理标记，请不要删除
一、选择题
1．B
解析：B
【解析】
【分析】
【详解】
句意：——今天下午你可以和我一起去闲逛吗？——对不起，我不能。我必须为清洁日定
