_____your help, I can’t pass the exam. [ ]

It’s ____ to play on the road. You’d better play in a ____ place.

. —Why do you ____ very happy this afternoon? —Because we are going to spend the evening at Lily’s house.

Mr. Smith’s never angry with their daughter. __________ Mrs. Smith.

Do you know______man in white?－Oh, he is_________ scientist from America.