I can never forget the days _____ we worked together and the days _____ we spent together.A. when; which B. which; when C. what; that D when; when
It is reported that the police will soon __________ the case of two missing children.
This special school accepts all disabled students, __________ educational level and background.
He has a talent for __________ and planning everything well.
If only I__________ to Beijing last summer!
He hurried to the hall, only __________ that themeeting had been put off.