I can’t say I’m the best. I have only ______ made moreefforts than others.

ys more and more people regard traveling as partof their life, and Chinese transport has been strengthened for the holidaytravel ____.

I have no money, so a new bicycle is ____

___ their final medical check,the astronauts boarded their spacecraft

If better use is ________ your sparetime，you’ll makegood progress in doing your business.