题目内容
I think it is necessary for my 19-year-old son to have his own mobile phone, for I sometimes want to make sure if he ________ home for dinner.
[ ]
A.come
B.comes
C.has come
D.will come
答案:D
提示:
提示:
|
if引导的是一个宾语从句,所以用一般将来时态。如果if引导一个条件状语从句的话,从句的谓语动词用一般现在时态代替一般将来时态。 |
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