I’ve heard that we can see beautiful stars clear nights.A. onB. inC. atD. for

问题补充：

I’ve heard that we can see beautiful stars clear nights.

A. on

B. in

C. at

D. for

答案：

(答案→)A. on

B. in

C. at

D. for

解析：本题考查介词。如果这里没有clear的话，就要选C了，因为at night是固定的搭配。但是有形容词，所以应该选A, on the night，on clear nights都是固定搭配。选A。