—Must I take the medicine every day?
— No, you______.
| A．must not | B．may not | C．haven’t | D．needn’t |
When the traffic lights are red, we _______ stop.
| A．should | B．might | C．must | D．may |
You’d better _______ too much meat. You are much too fat.
A. not eat B .eat C. not to eat
You ______ be polite to the old man.
| A．should | B．can’t | C．might | D．mustn’t |
My grandfather us stories when I was young.
| A．was used to tell | B．is used to telling |
| C．used to tell | D．used to telling |
You have to be 18 years before you _________ to drive a car.
| A．are allowed | B．are | C．allowed | D．allow |
---Who is the tallest boy? ---It ______ be John. John is of medium height.
| A．must | B．needn’t | C．might | D．can’t |
Today is Wednesday. He _______ be at home. He _____ be at school.
| A．can’t; can | B．can’t; must | C．mustn’t; must | D．mustn’t; can |
You’re too tired. You _______ have a good rest.
| A．should | B．can | C．may | D．shouldn’t |
— Must I stay here with you?
—No, you_____. You may go home, but you ______go to the net bar.
| A．mustn’t , needn’t | B．needn’t, mustn’t |
| C．must, need | D．need, must |
—Mr. Wang __________ be in the office. The light is still on.
—No, he __________ be. Because he phoned me from the farm just now.
| A．may; mustn’t | B．mustn’t; mustn’t | C．can’t; can’t | D．must; can’t |
—Can you tell me what to wear at the party?
—If I you, I the blue jeans.
| A．am; will wear | B．was, will wear | C．were, would wear | D．were, wore |
He____know the answer, but I’m not sure.
A:maybe B:may be C:may D:must
Don’t put off today’s work for tomorrow. I mean , today’s work _____today.
| A．may do | B．must do | C．may be done | D．must be done |
Nobody ______ to go into the laboratory without permission (允许).
| A．allows | B．is allowed | C．promises | D．is promised |
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