Getting more information on how to use these tools can ______ your chances of success. [ ]

“Impression Pingyao”, an cultural show _________to display Pingyao’s rich history and culture was brought to stage by threedirectors, including Zhang Yimou.

16. It is reported that they ____ arms and began to fight against the invaders (侵略者).

We know that 80 ofthe cases of blindness can .

We should try to prevent air pollution__________.