(2012·浙江高考)No matter how bright a talker you are, there are times when it's better ________ silent.

(2013·福建高考)________basic first­aid techniques will help you respond quickly to emergencies.

(2013·江苏高考)Shortly after suffering from a massive earthquake and ________ to ruins, the city took on a new look.

(2011·湖南高考)The ability ________ an idea is as important as the idea itself.

(2011·安徽高考)Tom asked the candy makers if they could make the chocolate easier ______ into small pieces.

(2012·辽宁高考)This machine is very easy ________. Anybody can learn to use it in a few minutes.

(2011·四川高考)______an important role in a new movie, Andy has got a chance to become famous.

(2012·全国卷Ⅱ)The old man sat in front of the television every evening, happy ________ anything that happened to be on.

(2013·湖南高考)The sun began to rise in the sky, ________ the mountain in golden light.

(2012·四川高考)I looked up and noticed a snake ________ its way up the tree to catch its breakfast.