—It is _______he often fails in exams_______ makes his parents worried about him.—So, he has to work whole-heartedly.
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.