语法知识—情态动词的分类汇编及解析

一、选择题

1．The milk tastes bad. You’d better_______.

A．throw it away B．to throw it away

C．throw them away D．to throw them away

2．Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous. A．mustn’t B．ought not to C．needn’t D．don’t have to 3．―I can't stop smoking, Doctor.

―For your health, I'm afraid you .

A．must B．can C．need D．have to

4．The designer has tried every possible way to make the robot light, so you _____ worry about its weight.

A．must B．may C．can’t D．needn’t

5．—________your house be cleaned right now？

—No,it needn't.It may be cleaned this afternoon．（）

A．Must B．May C．Can

6．---Mum, must I finish my homework today?

---No, you . Tomorrow is Sunday and you may have a rest today.

A．shouldn’t B．mustn’t C．can’t D．don’t have to 7．You look quite tired. You'd better ________ a good rest.

A．stop to have B．stop having C．to stop to have D．to stop having 8．—I can't stop smoking, doctor.

—For your health, I'm afraid you ________.

A．must B．can C．may D．need 9．—Tom, we’re going s hopping at eight, right?

—Yeah, but I ______ be a little late, so don’t wait for me.

A．may B．should C．mustn’t

10．— I wonder if these are Jim's glasses.

—They _____his. He doesn't wear glasses.

A．might be B．could be C．can't be

11．—Sorry, Ms Wang. I left my homework at home. Must I hand it in today?

—No, you_______ . You_______ bring it here tomorrow.

A．mustn’t; should B．needn’t; must C．mustn’t; may D．needn’t; can 12．－Mum, must I stay there the whole day?

－No, you__________. You__________ come back after lunch, if you like.

A．mustn’t; can B．needn’t; must C．needn’t; may

13．I see the blackboard. I need to have my glasses.

A．can B．can’t C．must D．mustn’t 14．—Can you come to my party on Saturday afternoon?

—Sorry, I can’t. I ________ meet my friends.

A．can’t B．might have to C．needn’t

15．— May I have some wine?

— No, you . You have to drive home later.

A．shouldn't B．needn't C．mustn't D．may not

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．— 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

18．一Already five people in the taxi, but the driver managed to take me as well.

一Terrible, and it be an uncomfortable journey.

A．can B．should C．must D．need

19．—We've prepared all kinds of foods for the picnic.

—Do you mean I___ bring anything?

A．can't B．needn't C．mustn't D．won't

20．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

21．— Could you play the piano when you were 8 years old?

— ________.

A．Yes, I could B．No, I can’t C．Yes, I can D．No, I won’t 22．—Doesn’t Frank like staying at hom e and looking after his little sister?

—_______, but he ________ because both of his parents work.

A．Yes; has to B．No; has to

C．Yes; doesn’t have to D．No; doesn’t have to

【参考答案】***试卷处理标记，请不要删除

一、选择题

1．A

解析：A

【解析】

【详解】

句意：牛奶味道不好。你最好把它扔掉。

考查had better和人称代词宾格。throw away意为“扔掉”，根据所给空前面的had better后