Ⅱ.Choose the one that best complete the sentence （选择最佳答案完成下列

Ⅱ.Choose the one that best complete the sentence （选择最佳答案完成下列句子.每题1分,
1.The seriousness of his condition depends on the fever began.
A.what B.which C.who D.when
2.It took three weeks to estimate damage the explosion caused.
A.that B.what C.which D.if
3.With an eye their future,we offered these courses.
A.from B.at C.to D.of
4.The manager has got the information advance.
A.by B.with C.in D.without
5.The engineer has worked out a method the quality of the products can be improved a lot.
A.which B.in which C.by which D.of which
6.He was a man all his friends admired and even won the respect of his enemies.
A.which,whom B.whom,who
C.to whom,with whom D.whose,of whom
7.We went to the station to see them .
A.out B.off C.to D.up
8.The mountains are covered grass and trees.
A.with B.by C.for D.off
9.They may swim an adult accompanies them.
A.until B.unless C.provided D.although
10.He burned all the documents they should fall into the hands of the enemy.
A.before B.after C.lest D.provided
11.Sometimes they assure that they believe is right,they have grown up.
A.because…which B.what…because
C.when…so that D.as…which
12.I intrude in to the of my seatmate on the place,trying to get a glimpse of the ocean.
A.scope B.space C.sport D.scale
13.You the batteries in the damp place.They were all ruined by moisture.
A.needn’t have kept B.oughtn’t have kept
C.shouldn’t keep D.shouldn’t have kept
14.My grandma didn’t answer the doorbell.She asleep.
A.ought to be B.must have been C.may be D.will be
15.There is some doubt whether the document is genuine.
A.as yet B.as usual C.as well D.as to
16.He is a famous actor,his father used to be.
A.which B.as C.who D.what
17.If I it was going to cost so much I wouldn’t have bought it.
A.had known B.knew C.were to know D.should have known
18.in our offer,please contact us.
A.If you interested B.If you interest
C.Should you be interested D.Should you interest
19.His wife has to work hard at home,and perhaps outside he home .
A.as yet B.so far C.before long D.as well
20.The best source of information is the particular business or industry that to you.
A.draws B.interests C.attracts D.appeals