I don’t know if he ____ us; if he ____, I’ll let
1个回答
A
第一个if的意思“是否”,引导宾语从句,根据句意应该用将来时态。第二个if的意思“如果”,引导条件状语从句,从句用一般现在时态代替将来时态,所以答案A。
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