Sir, you ______ be sitting in this waiting room. It is for women and children only. 

But for their help，we ______ the program in time.

—I didn’t know your telephone number in Paris; otherwise, I ______ you.—Oh, I would rather you ______ me.

Grace doesn’t want to move to New York because she thinks if she _____there ,she wouldn’t be able to see her parents very often.

“Do you think he is lazy?” “I _________ so once, but I don’t now.”