跪求高手帮我做10条英语选择题Choose the best one to complete the sentence.

1.American educators fear that _____ creativity has been acquired early,it may never emerge.
A.if B.only when C.if only D.unless
选A.题意：美国教育学家觉得如果创造里过早的开发,反而会让创造力不会显露.if表条件的假设,考察条件句的运用.
2.The developmental history of the society tells us that man has _____ from the ape.
A.evolved B.promoted C.fostered D.emerged
选A.考察单词的词义.A表进化；B表提高；C表促进‘铸就； D表出现、显露.
3.But sometimes,she sat down near the window and thought of that gay evening of long ago.It was,in _____,the happiest day of her life.
A.exception B.extreme C.retrospect D.performance
选C.考察词组搭配.in retrospect表“回顾,回想起来”.
4.The principle of diligence and frugality _____ all undertakings.
A.applies to B.applies for C.is applied for D.applies in
选A.动词和介词搭配的不同含义.apply to表“适用于” apply for 表“申请（得到）”
5.I couldn't _____ who the lady with the sunglasses was when I came across her at the party.
A.figure in B.figure on C.figure out D.figure off
选C.同上.figure out 表指出,认出.
6.The attorney's summation was telling,for he had listed so much _____ evidence.
A.contrast B.well-intentioned C.valid D.technological
选C.首先弄清楚summation表法庭辩论总结.valid evidence表有效有力的证据.
7.I shall _____ my decision no matter what happens.
A.hold up B.hold to C.hold with D.hold out
选B.唯有hold to 表坚持.
8.The government has two _____,to reduce spending or to increase taxes.
A.treatments B.options C.executives D.handouts
选B.option表选择.
9.We must _____ till success in spite of the extremely difficult conditions.
A.carry out B.carry on C.carry through D.carry off
选B.carry on 表坚持、继续
10.One tennis guest managed to _____ him _____ his game by asking why a can of balls cost more in one Wal-Mart than another.
A.put…off B.put…away C.distract…off D.distract …away
选C.distract from 表分散某人的注意力.这里和off搭配表同样意思.