You______be tired after playing sports for a long time without a rest.
A.must B.need C.can’t
. -May we leave the classroom now?
-No, you ______. You ______ to leave until the bell rings.
| A．mustn’t, are allowed | B．don’t have to, are supposed |
| C．needn’t, aren’t allowed | D．can’t, aren’t supposed |
Trees ____ fight air pollution．They are natural air conditioners．
| A．should | B．must | C．need | D．can |
. -May we leave the classroom now?
-No, you ______. You ______ to leave until the bell rings.
| A．mustn’t, are allowed | B．don’t have to, are supposed |
| C．needn’t, aren’t allowed | D．can’t, aren’t supposed |
— Wow! You look different! You wear glasses.
— Yes, I did. But now I am wearing contact lenses(隐形眼镜).
| A．could | B．must | C．used to | D．would |
The red bike _______be Hu’s. She has a blue bike.
| A．must | B．might | C．can | D．can’t |
---Must I do the work today?
---No, you _______. You may do it tomorrow.
| A．can’t | B．mustn’t | C．shouldn’t | D．needn’t |
–Look at that girl! Is it Susan?
--No, it _______ be her. She has gone back to her hometown.
| A．mustn’t | B．can’t | C．needn’t | D．wouldn’t |
You _______ see a dentist when you have a toothache.
| A．may | B．need | C．should | D．can |
—Is Nancy knocking at the door?
—No, it ________ be Nancy. She has gone to Guangzhou.
A. can’t B. mustn’t C. won’t
-- Whose notebook is this ?
-- It _______ Mary. It has her name on it.
A. must be B. can’t belong C. must belong to
Her son _______ drink Coke a lot, but now he likes drinking milk.
A. used to B. is used to C. uses to
— we pick apples on the farm?
—Good idea!
A. Will B. May C. Shall
—What does this sign mean, Miss Chen?
—Oh, it says that we ________take photos here.
A. needn’t B. may not C. mustn’t
I’m feeling much better now so you ______ call the doctor.
| A．couldn’t | B．wouldn’t | C．can’t | D．needn’t |
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