Could you tell me some examination skills—-Sure. In the exam， the _____you are ， the____ mistakes you will make.

The purpose of the article is to draw public attention ______ the problem

China replaced Japan in 2010 as No. 2economy, _____ China’s continuing rise in economic and political influences.

I usually go to bed _______ ten o’clock.

Has Lucy gone back to her home in the US一Yes. She here only for three days with her friend.