1.Are you free tomorrow?
2.English has become the most widely used language in the 21century.
3.It sounds that he said the truth.
4.We will stay at home if it rains tomorrow.
5.Last night,wo men escaped from the fire.
6.They have nothing in common.
7.We hope you will be healthy soon.
8.His possibility of winning is pretty little.
9.The careless driving caused this traffic accident.
10.Will you travel by ship or by air?