Nowadays school bus safety has drawn much attention nationwide for children’s safety is _______ worries parents most.

__ take the aeroplane all the way, they decidedto fly to Vancouver and then take the train from west to east across Canada.

It is not how much we do but how much love we put into what we do _______ matters.

_____ many times, he finally understood it. [ ]

My mother often plays table tennis __________my fatherdoesn’t like sports.