I wonder if your wife will go to the ball.If your wife _____，so _____ mine.

下列各句中，没有语病的一项是（ ）

Are you _____with doing a lot of homework everyday?— Sometimes I am. But as a student , we have to do so at present.

Do you know how to get to the nearest post office — _______________________

My sister is expecting me,____ I must be off now