—Is Tom still in New York or already back at home?

—I’m not sure ______. I’ll call to make sure.

A. how he will be back B. that he has come back

C. why he has come back D. if he has been back

—Would you like to come to dinner tomorrow evening? —________.

A. Yes， I’d love to B. That’s right

C. It’s a pleasure D. You’d better not

—What do you want to eat for lunch? I will prepare earlier today.

—Honey， you_______. Let’s go out to have something different.

A. mustn’t B. can’t C. shouldn’t D. don’t have to

— Sorry, I_____ what was happening outside.

A. had thought B. was thinking C. thought D. think

The rivers will become dirtier and dirtier we take action to protect them.

A. since B. if C. whether D. unless

—Do you mind him _______ TV all the time?

—Of course. I am busy with everything and can’t get a helping hand.

A. watch B. watching C. to watch D. watches

He used his knife to ________ half his right arm and climbed down the mountain to find help.

A. cut down B. cut up C. cut off D. cut out

The new mall has _ good things _ we don’t know which to choose.

A. so…that B. such…that C. enough…to D. too…to

—The new park in that area will be in use in June， 2016.

—Wow， !

A. how excited the news is B. what an excited news

C. how exciting news D. what exciting news

—What makes you so upset?

—I want to explain why I was late， but Mr. White didn’t give me a (n)_______.

A. way B. idea C. chance D. excuse