Cou you tell me____beijing A.when leave B.to leave when C.when to leave D.when leaves

问题描述:

Cou you tell me____beijing A.when leave B.to leave when C.when to leave D.when leaves

选 C 疑问词+to do 结构,在句中作宾语.如:Can you tell how to get to the station
I don't know what to eat .