Great changes have taken place around the world. Nobody can tell _____ in 20 years.
A.what will it be like B.how it looked like
C.what it will be like D.how did it look like
_____ nice the ice cream looks! Ican’t wait to taste it.
A.How a B.How C.What a D.What
Is that your best friend Kitty?
— No, it _________ be her. She flew to Singapore yesterday.
A.must B.can C.Mustn’t D.Can’t
---Excuse me, Sir .But smoking is not allowed here.
-----Sorry,I didn’t see the sign.I’ll __________ my cigarette at once.
A.put out B.put away C.put up D.put off
—Would you mind my sitting here, Sir?
—_________. It’s for my wife.
A.Not at all B.Certainly not
C.I’m afraid you can’t D.All right
I_______ my homework when the door bell__________.
A.did, rang B.was doing, was ringing
C.did, was ring D.was doing, rang