— Look! It again.—Yes. This is the third rain we this month.A. will rain: had B. is rain

问题补充：

— Look! It again.

—Yes. This is the third rain we this month.

A. will rain: had

B. is raining; have had

C. rains; had

D. is going to rain; have had

答案：

A. will rain: had

(答案→)B. is raining; have had

C. rains; had

D. is going to rain; have had

解析：考查情景交际和时态。“看！又开始下雨了。”“是的。这是这个月的第三场雨。”根据look可知，用现在进行时，This is the third+名词+从句，从句用现在完成时。故选B。