A:Why do Chinese people like red?B:Because they think it can _____them good luck.

It’s quite a time _____ Liu Xiang was injured in the foot, but we are sure it won’t be long _____ he returns to the track.

The children are _______ in studying.

It is very important_______ people to have food and water every day. [ ]

In order to find ______ better job, she planned to learn ______ second foreign language.