___ I visit Lucy on Sunday,Mum?

___ I visit Lucy on Sunday,Mum?
--- Yes,you ____.
A.Must; can B.May; may C.Need; need D.May; need
2.--- There’s somebody at the door.Who ____ it be?Is it the postman?
--- No.it ____ be him.It’s just seven o’clock.It’s too early.
A.may; can’t B.will; won’t C.may; mustn’t D.must; may not
3.---Must I finish my homework now?
--- No,you ____.You may have a rest first.
A.mustn’t B.can’t C.may not D.needn’t.
4.Cars and buses ____ stop when the traffic lights are red.
A.can B.need C.must D.may
5.You’d better go and ask Mr.Brown.He ____ know how to use the computer.
A.can B.may C.would D.could
6.--- What’s the time?
--- It’s seven.It’s still early.You ____ worry about the time.
A.can’t B.needn’t C.mustn’t D.may not
7.We ____ go there.It’s dangerous.
A.hadn’t better B.had better not C.wouldn’t better D.would better not
8.What ____ you like for breakfast?
A.May B.will C.would D.can
9.--- Will you stay for supper?
--- Sorry,I ___ .My sister is coming to see me.
A.mustn’t B.can’t C.needn’t D.won’t
10.--- ____ I watch TV now,Mum?
--- No,you ____ finish your homework first.
A.Must; needn’t B.Can; may C.May; must D.May; mustn’t
11.--- May I throw a Frisbees in the street?
--- No,you ___.
A.may not B.mustn’t C.needn’t D.don’t
12.--- Must we finish our homework now,Mrs.Read?
--- Oh,no,you ___.
A.mustn’t B.can’t C.won’t D.needn’t
13.You ____ play on the road.It’s dangerous.
A.mustn’t B.may C.can D.must
14.--- ___ I take the newspaper away?
--- No,you mustn’t.you ____ read it only here.
A.Must; can B.May; can C.Need; must D.Must; must
15.He isn’t in the school.I think he __ be ill.
A.can B.shall C.must

AADCB BDCBC BDABC
太多了,就不详解了