题目内容
3．I don't know if she to my birthday party tomorrow．If she ，I'll be very happy．（ ）| A． | comes； comes | B． | will come； comes | ||
| C． | comes； will come |
分析 我不知道她明天是否能来参加我的生日晚会．如果她能来，我会非常高兴的．
解答 答案：B．根据tomorrow，可知在if引导的宾语从句中用的应该是一般将来时．再根据If she ，I'll be very happy，可知在这里的意思是如果她能来，我会非常高兴的，if引导的是一个条件状语从句，主句用一般将来时，从句通常用一般现在时．故选B．
点评 本题考查了if引导的宾语从句和条件状语从句．解答时需要注意：if引导的条件状语从句中，主句用一般将来时，从句通常用一般现在时．
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