题目内容
【题目】I don't know if she __________, but if she __________, I will let you know.
A. comes; comes
B. will come; will come
C. comes; will come
D. will come; comes
【答案】D
【解析】句意:我不知道她是否要来,但如果她要来的话,我会告诉你。if引导宾语从句,用一般将来时;第二个if引导条件状语从句,主句为将来时,从句用一般现在时表将来。
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