26.The plane ___ at 7：00 p.m., so I have to be at the airport by 6：40 at the latest.

　　A.has left B.is to leave C.will have left D.leaves

　　27.The train ___ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight. A.went B.is going C.goes D.will be going

　　28.Look at this ! I__some magazines and__this letter. A.was looking through; found B.am looking through; find C.looked through; had found D.had looked through; finding

　　29.—— __you __ the editor at the airport? —— No, he __ away before my arrival.

　　A.Have...met; has driven B.Had...met; was driven C.Did...meet; had been driven D.Have...met; had driven 30.— Can you give me the right answer? — Sorry, I_.Would you repeat that question?

　　A.hadn’t listened B.haven’t listened C.don’t listen D.wasn’t listening

　　31.I used to drink a lot of tea but these days I ___coffee.

　　A.prefer B.preferred C.have preferred D.am preferring

　　32.—— Was the driving pleasant when you went to Mexico last summer?

　　—— No, it ___ for four days when we arrived, so the roads were very muddy.

　　A.was raining B.had been raining C.would be raining D.rained

　　33.The vegetables didn’t taste very good.They____too long.

　　A.had been cooked B.were cooked C.had cooked D.cooked

　　34.— Remember the first time we met, Jim? — Of course I do.You __ in the library.

　　A.were reading B.had read C.have read D.read

　　35.I want to buy that kind of cloth because I _ the cloth _ well. A.have told; washes B.have been told; washes C.was told; washed D.have been told; is washed

　　36.— What were you up to when your parents came in? — I_for a while and_some reading. A.was playing; was going to do B.played; did C.had played; was going to do D.had played; did 37.—— Sorry, I forget to post the letter for you. — Never mind, __ it myself tonight.

　　A.I’m going to post B.I’ve decided to post C.I’ll post D.I’d rather post

　　38.I should very much like to have gone to that party of theirs, but _____.

　　A.I’m not invited B.I was not invited C.I have not been invited D.I had not been invited

　　39.—Is Tom still smoking ? — No.By next Saturday he _ for a whole month without smoking a single cigarette. A.will go B.will have gone C.will have been D.has been going

　　40.All but one_take part in the conference____tomorrow. A.is going to; that is to take place

　　B.are going to; that is about to take place C.are going to; that is to be taken place

　　D.are going to; which is to be held

　　41.—— Are you a visitor here? —— That’s right.I___round the world and now my dream of coming to China___true.

　　A.have traveled; has come B.was traveling; had been come

　　C.am traveling; has come D.have traveled; has been come

　　42.—— _____ Betty this morning? —— Not yet, but she is sure to be here before noon. A.Have you seen B.Will you see C.Do you see D.Did you see

　　43.Jim talked for about half an hour yesterday.Never_____ him talk so much.

　　A.I heard B.did I hear C.I had heard D.had I heard

　　44.The children ______ very quiet; I wonder what they ____up to.

　　A.were; are being B.are being; are C.are; do D.are being; do

　　45.—— Look at the black clouds.It ______ soon. —— Sure.If only we _____out. A.is raining; didn’ t come B.is to rain; won’ t start

　　C.will rain; haven’ t started D.is going to rain; hadn’ t come

　　46.He ___articles for our wall-newspaper these three years, and he ___about forty articles. A.has been writing; has written B.has been writing; wrote

　　C.is writing; has been writing D.has written; has written

　　47.She _____ to the office than she got down to writing the report.

　　A.has no sooner got B.had hardly got C.no sooner got D.had no sooner got

　　48.When he was alive, the old scientist used to say that knowledge ____from practice and he gained his experience by doing a lot of practical work.

　　A.was coming B.had come C.comes D.would come

　　49.In this experiment, they are woken up several times during the night, and asked to report what they____. A.had just been dreaming B.are just dreaming C.have just been dreaming D.had just dreamt

　　50.——What’ s the matter? —— The shoes don’ t fit properly.They____my feet.

　　A.are hurting B.will hurt C.have hurt D.are hurt