请教GWDTN24-TEST7-Q27,关于IF引导的条件状语从句

marco_polo

GWD-9-Q27:

Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planetwide destruction.

 

A.      and, if it strikes Earth, it can do tremendous damage to part of the planet but

B.       and, if it would strike Earth, part of the planet could experience a tremendous amount of damage but it would

C.      and that, if it were to strike Earth, could do tremendous damage to part of the planet but would

D.      and that, if Earth is struck by it, can do part of the planet tremendous damage, but it would

E.       and that, if it strikes Earth, it could experience a tremendous amount of damage but

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答案C，我选A，and后面为什么要再跟一个that，if条件状语难道不应该用一般现在时，而要用虚拟语气吗

Fadaway

对！考得就是虚拟语气，and that是常考的形式，为了结构平行

well4eva

http://forum.chasedream.com/dispbbs.asp?boardID=23&ID=69459&page=1