The day ____you are looking forward to will certainly come.A、 in which  B、 when  C、 which  D、 what 

问题描述:

The day ____you are looking forward to will certainly come.A、 in which  B、 when  C、 which  D、 what 

C,THE DAY 为先行词,which 做looking forward to 的宾语.选D的是瞎蒙的.