問題詳情

25. Nobody knows ________. It remains a mystery.
(A) what did it happen to him
(B) who made those crop circles
(C) how could he get into the house
(D) will aliens ever visit our planet

參考答案

答案：B
難度：適中0.577143
統計：A(100),B(505),C(78),D(68),E(0)

用户評論

【sunny77moon】評論

我想應該是因為know的後面應該要接一個受詞，受詞正常要是名詞，所以可以判定後面接名詞子句。

【就子虛烏有的那個子虛】評論

Nobody knows ________. It remains a mystery. (A) what did it happen to him →(x) Nobody knows what happened to him.(B) who made those crop circles →(o)(C) how could he get into the house →(x)Nobody knows how he got into the house.(D) will aliens ever visit our planet →(x) Nobody knows when aliens will ever visit our planet.

【Tina Lien】評論

間接子句不倒裝