two centimeters higher, _______ break the world record,” encouraged the coach.

下列各句中，表达得体的一句是( )

A large number of people are _____, and how can the local government ignore the problem

If better use is ________ your spare time，you’ll make good progress in doing your business.

It seems that the aged people _________ the H7N9 moreeasily from the recent cases.