-- Hello, this is Jack. Mary I speak to Tom?

-- Sorry, he isn't in at the moment. If he back, I'II ask him to call you back.

A. come B. comes C. have come D. came

Which of the following means “can be recycled"?

--Do you think students should be allowed to do their homework with music on?

-- . If so, they can't concentrate on the study.

A. 1 agree B. 1 think so C. I disagree D. I have no idea.

一 Have you finished your homework yet?

-- No, not yet. I think it'll take me half an hour.

A. another B. other C. others . D. the other '

Things made by hand are usually more expensive than _ produced in factories.

A. these B. this C. that D. those

--It is cold outside. You'd better wear warm clothes to the cold.

--Ok, thanks.

A. keep out B. keep down C. turn down D. let down

--What if you don't finish your work on time?

-- Mrs. Brown will be very angry.

A. happens B. is happened C. happened D. will happen

--How long have you _ Teresa?

-- For three years by now. Our wedding anniversary is coming next week. .

A. got married to B. married C. married with D. been married to

—Jim , I will go to Hong Kong tomorrow. -- .

A. Me neither. B. Not at all. C. It doesn't matter. D. Have a good trip!

-Is it polite to speak or laugh loudly ?

-No, I don't think so.

A. on time B. at least C. by chance D. in public