I’m if there are UFOs.（飞碟）

This language training programme ____ teenagers whowant to go abroad to study.

The population in China is much larger than _____ in America, right — So it is.

It’s reported that doing eye exercises is no use for students. But I hear you have to do it every day.—You’re right. But it’s one of the _______ in my school.

Finally, he lived up to ______ had been expected of him.