Don’t ________ away the dirty coatbefore________ me a clean one.

Is there a fog in the evening ?—There be . I’ll make a phone call to find it out .

What are you going to do this weekend—________If time permits，I may go to Shanghai with my friends

Tom’s most positive quality is _____ he’s very outgoing.

The number of children is expected to _______ rapidly as the declaration of Two-child Policy by the government.