The chemical composition of sandstone is the same as ….....
(A) that of sand
(B) that sand is
(C) sand is that
(D) what of sand
正确答案是B我选的是D,为什莫?
高人指教,这是靠的什莫语法点?谢谢!
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hehe, TOEFL grammar are easier than GMAT........
THe answer I think is A......that of sand, this "that" refer to the former "The chemical composition"
楼主的答案是从哪里来的,可能。。。
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