My brother has his own business — that’s also ______ I expect to do after I graduate from Harvard University

“WeChat” really makes a great _____ to our life. More and more people use it now.

The old professor told us that every part of the materials should be made use of _____ the station.[ ]

Mary runs ______ of all the girls in her school, and she won the 100-meter race last month.

Have you lived there a long time I was born.