帮我做几个初中英语题

1.I have P.E_____the afternoon of tuesday (C)
A.in B.at C.on D.for
2 Will you piease stay here for lunch?
Sorry,I______.My brother is coming to see me. (B)
a.mustn't b.can't c.won't d.needn't
3.Can you sing this song in english? (B)
sorry,I_______
a.mustn't b.can't c.won't d.needn't
4 May I smoke here? (B)
No,you_________.
a.mustn't b.can't c.don't d.may not
5 ________I speak to David ,Mrs White? (C)
sorry,he is not at home.He_____be back in an hour.
a.must,may b.can,has to c.can,may d.may,can't
解释一下1，因为这里确切的指出了日期（Tuesday)。

答案仅供参考！！！

A
C
B
B
D

A b c a c

C
B
B
A
C