—Go and have great fun! I will cope with you leave to me properly.—Thanks a lot.A. whyB.

问题补充：

—Go and have great fun! I will cope with you leave to me properly.

—Thanks a lot.

A. why

B. when

C. what

D. which

答案：

A. why

B. when

(答案→)C. what

D. which

解析：句意：——去吧，玩的开心些！我会正确处理你给我留下的事。——非常感谢。动词cope with后接的宾语从句中leave后缺少宾语，故用疑问代词what.故选C。