1.It doesn’t stand to reason that he would lie.
2.It is useless to argue with him once he has made up his mind.
3.I expect that she will be able to cater for your particular needs.
4.It is impossible to prevent them from quarrelling.
5.The very fresh air will finally help her to resume her health.
6.Glassmaking was the first major industry in the United States.
7.Rose stood there until she finally lost sight of the train.
8.At the sports meet, athletes compete with each other for the gold medals.
9.It’s hard to alter one’s habits.
10.A seismograph is a device designed to measure vibrations of the ground.
11.The U.S was in 1850 a divided nation half slave and half free.
12.Don’t you think that’s an indicator of fine weather?
13.The new communication system is by no means a minute invention.
14.I feel obligated to give my opinion on the subject.
15.The group ridiculed my suggestion.