He wants to know_________________.

问题描述:

He wants to know_________________.
A if it will be fine tomorrow
B if it is fine tomorrow
C when the train leaves

B
A 应用一般现在时 涉及到感官感受用一般现在时,若是问明天干某事是否合适或可不可以 则用一般将来时
C 应用一般将来时 因为主语关注的是火车什么时候能走