–What if you don’t finish your work on time?
–Mrs Brown will be very angry.
A. happens
B. is happened
C. happened
D. will happen
网友回答
A. happens
B. is happened
C. happened
(答案→)D. will happen
解析：根据答语可知是在回答上文的内容，问句是if 引导的条件状语从句，主句为一般将来时，从句要用一般现在时，代替将来时。故选D