________ there are living creatures in the outer space as those on Earth hasn"t
题型:不详难度:来源:
________ there are living creatures in the outer space as those on Earth hasn"t been proved until now.A.How | B.When | C.Where | D.Whether |
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答案
D |
解析
D 考察主语。句意:在外部空间是否有与地球相同的生物直到现在还没有得到证明。Whether引导主语从句,意为是否。 |
举一反三
Although Anne is happy with her success, she wonders ________ will happen to her private life. |
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