26.____ today， he would get there Friday.

　　A.Was he leaving B.If he leaves C.Were he to leave D.If he is leaving

　　27.My watch is slow.If it ___ good time， I ____ on time and catch the 8 o'clock train.

　　A.keeps， will come B.kept， would have been C.kept， would come D.kept， came

　　28.It was ordered that no smoking ____ in the library.

　　A.is allowed B.was allowed C.be allowed D.both B and C

　　29.Bob's father insisted _____ in his hotel.

　　A.not to say B.that he not stay C.not saying D.that he not to say

　　30.He wished he ____ so careless.His exam results could have been much more satisfactory.

　　A.weren't B.hadn't been C.wouldn't be D.has not been

　　31.How I wish I ____ you the truth!

　　A.haven't told B.doesn't tell C.hadn't told D.wouldn't tell

　　32.Look， what you've done! You ___ more careful.

　　A.may be B.should have been C.have to be D.must have been

　　33.We are for the suggestion that a new lab ____ built near the lake.

　　A.would be B.will be C.should be D.is

　　34.The officer's order was that all the soldiers ____ to the station before daybreak.

　　A.got B.should get C.get D.both B and C

　　35.Is it necessary that John ____ the books to the library today?

　　A.return B.returns C.will return D.is going to return

　　36.He insisted what he said ____ right.

　　A.was B.would C.should prove to be D.all

　　37.The governor has given advice that the representative ___ in week.

　　A.are leaving B.are left C.leave D.will leave

　　38.The audience request that the singer ____ the song again.

　　A.sings B.will sing C.sing D.would sing

　　39.He behaves as if he _____ the best speaker in town.

　　A.is B.will be C.were D.has been

　　40.You ____ her like that.She is after all a child.

　　A.mustn't have treated B.shouldn't have treated C.oughtn't treat D.might not treat

　　41.He speaks as if he _____ about it.

　　A.knows B.have known C.is knowing D.was knowing

　　42.She talks about the film as though she ____ it before.

　　A.had seen B.sees C.was seeing D.would see

　　43._____， but we didn't

　　A.We had cut away the jungle brush B.The jungle brush cutting away

　　C.We should have cut the jungle brush away D.The jungle brush was cut away by us

　　44.You _____ in your exercise books yesterday.Why _____ you?

　　A.should have handed， don't B.should have handed， didn't

　　C.must have handed， didn't D.would have handed， didn't

　　45.All agreed to his suggestion ____ a bridge ___ across the river.

　　A.as， would build B.which， should built C.that， be built D.so that， built

　　46.We wish that we ____ that.

　　A.had not told him B.did not tell him C.don't tell him D.haven't told him

　　47.I ____ you， but my cold prevented me from doing so.

　　A.was to have joined B.was to join C.had joined D.had hoped to join

　　48.“What do you think of the food here?” “Oh， wonderful! We ___ a better place.”

　　A.won't find B.must have found C.can't find D.couldn't have found

　　49.If I ___ yesterday， I ____ the article.

　　A.wasn't call on， would have finished B.didn't call on， would have finished

　　C.hadn't been called on， would have finished D.hadn't called on， had finished

　　50.I ______ worry too much if I ____ you.

　　A.oughtn't， was B.mustn't were C.needn't， were D.wouldn't， were