51、 Lincoln thought it waswrong to keep Negroes_________slaves.

　　A.in

　　B.as

　　C.for

　　D.at

　　52、

　　Not always_________they want to.

　　A.people can do what

　　B.people cannot do what

　　C.can people do what

　　D.can' t people do what

　　53、

　　There was nothing they could do _________

　　A.but to wait

　　B.only to wait

　　C.but wait

　　D.unless they waited

　　54、 The purpose of this test is to measure students'_________ to learn instead of their present

　　achievements.

　　A.capacity

　　B.attitude

　　C.confidence

　　D.determination

　　55、 You ________yesterday if you were really serious about the job.

　　A.ought to come

　　B.ought to be coming

　　C.ought to have come

　　D.ought have come

　　56、

　　After a long_________ the bill was passed by the people' s congress.

　　A.argument

　　B.debate

　　C.dispute

　　D.discuss

　　57、 At the beginning of this term, our history professor ________a list of books for us to read.

　　A.passed on

　　B.handed in

　　C.fished out

　　D.made out

　　58、The famous novel is said________ into Chinese.

　　A.to have translated

　　B.to be translate

　　C.to have been translated

　　D.to translate

　　59、 Anyone breaking the rules will be asked to leave ________

　　A.at the spot

　　B.on the spot

　　C.for the spot

　　D.in the spot

　　60、 It is said that he ________a murder.

　　A.committed

　　B.conducted

　　C.executed

　　D.emitted