He usually_____a lot of money on books.

The topic, which many people______ a small one, will actually have a great influence_____ us.

I wonder why you don’t do it as ______ and it’s the third time you have done so

I must go now. My plane is ready to take off.— Goodbye! ______.

The young couple couldn’t afford a new house. ____,they wouldn’t have bought an old one.