问题

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;

正确答案是：

同类题型

The building project ______ next year is, I think, not easy ______ in time. [ ]

In a conference call with state and local officials Wednesday afternoon, Mr. Obama __________confidence in the procedures(程序) already in place to prevent the spread of Ebola(埃博拉病毒)

Mr. Black used to be busy. But now he’s retired and , so he has plenty of time to exer cise.

Remember: you _______ keep it secret and leave it closed.— No problem.

Have you ever checked homework– Yes, is well done.