---How is the weather in Xiamen?-Oh it’s very hot summer.A. onB. atC. in D. by

问题补充：

---How is the weather in Xiamen? ---Oh, it’s very hot summer.

A. on

B. at

C. in

D. by

答案：

A. on

B. at

(答案→)C. in

D. by

解析：在季节前面用介词in，故选C