I had thought he would be nervous in this speech competition, but he turned out to be calm.— He quite enough preparation for it.

The country itself didn’t have enough gas because of the war, so the government decided to _____ its gas supplies to other countries. [ ]

He’s just back from work, isn’t he—– ________. He is lying in bed in his own bedroom.

I am looking forward to ________ your answer as soon as possible.

It’s required that the students _____ mobile phones in their school, so seldom ____ them using one.[ ]