45.It was ______ he arrived home ______ he realized that he had left his keys in the office.
A. until ... that B. not until ...had
C. until...had D. not until ...that
【答案】D.
【解析】本题考查not until结构在强调句中的用法。对not...until...句式进行强调时应该将not until置于被强调的部分里面形成it is/was not until. . . that结构。另外,在这种情况下,主句谓语动词使用一般过去式大家也需要牢记这点。本句意为:直到回到家,他才意识到把钥匙落在办公室里了。
46. I know Mike is slow at understanding, but we should be patient __________ him.
A. for B. with C. at D. about
【答案】B.
【解析】形容词patient意为“有耐心的”,可以与with搭配,表示“对……有耐心”。
47.I will pay a visit to my old friend __________ she comes back from abroad.
A. the time when B. the moment when
C. the minute D. on the minute
【答案】C
【解析】考查状语从句。选项中只有C是连词,the minute“一…就…”。
48. — “Would you like to go out for a picnic?”
— “Yes, it’s __________ day!”
A. so a beautiful B. so beautiful C. such beautiful D. such a beautiful
【答案】D
【解析】so+a/an+adj.+名词。
49.______of the land in that district ______covered with trees and grass.
A. Two fifth; is B. Two fifths; are C. Two fifth; are D. Two fifths; is
【答案】D.
【解析】考查主谓一致。那片区域里有五分之二的土地都被树木和草原覆盖了。分数词由基数词和序数词构成,基数词代表分子,序数词代表分母。除了分子为1的情况下,分母中的序数都要用复数形式。排除A、C。这里主语是“the land”, 是一个整体,其后谓语要用单数。故选D。
50.If the little boy had been given the best medical care, he __________.
A. could not die B. have not died C. would not die D. would not have died
【答案】D
【解析】考查虚拟语气,对过去的虚拟,主句用would have done,故选D。
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