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几道英语填空题 求答案

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几道英语填空题 求答案
Only after 1840____mean a natural philosopher.

[A] a scientist come to

[B] did a scientist come to

[C] was a scientist come to

[D] a scientist did come to
It is necessary that all forms____to him before December.

[A] are sent

[B] would have been sent

[C] were sent

[D] be sent
We should be able to do the job for you quickly,____you give us all the necessary information.

[A] in case

[B] provided that

[C] but

[D] only if
We agreed to accept____they thought was the best tourist guide.

[A] whatever

[B] whichever

[C] whomever

[D] whoever




Although many explorers tried, it was not until 1903____the Arctic Polar region was crossed by sea.

[A] that

[B] what

[C] lest

[D] when
1选B only+状语从句,位于句首时,半倒装.
2选B 翻译;在十二月之前,把所有表格送完是必要的.
3选D a 万一 b如果 c 但是,除了 d只要
4选D guide是导游,指人的,而且是作主语.
5选A 强调句式