TOEFL(Test of English as a Foreign Language)托福題庫下載題庫

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The fact that _____ was discovered in 1923 by the astronomer Edwin Hubble.
(A) the expansion of the universe
(B) the universe is expanding
(C) the universe, which is expanding
(D) when the universe expands


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難度: 困難
4F
志明(考上司機被年齡岐齡) 大四下 (2014/12/04)
我的疑惑就在於  the universe is expanding was discovered  
is  和  was 不就兩個動詞?
5F
夏紛霏 (108地特民政上 大二下 (2014/12/04)
文法 the fact that 後面加完整的句子(S+V)

兩個句子(the  fact was discovered...及the universe is expanding )用that 當連接詞合併。

另外時態上 the universe is expanding 是事實陳述所以用現在式。the fact 是過去發現的事實用過去式。
6F
志明(考上司機被年齡岐齡) 大四下 (2014/12/05)
感恩!

The fact that _____ was discovered in 19..-阿摩線上測驗