问题

－How much shall I pay for the phone call?－You __________. This is free of charge.

A:shouldn’t
B:can’t
C:needn’t
D:mustn’t

正确答案是：

同类题型

Lily and Kate invited me at their house tonight.

They urged that the library ______ open during thevacation

John wasdismissedlast week because of his __________ attitude towards his job.[ ]

It’s hard to say what kind of person he is.Sometimes he is very friendly；at other times he________be very cold.[ ]

Lily is feeling blue because she didn’t pass the exam. —Let’s .