1 . Cut the wire and ____________ (系) its free ends to a switch. (根据汉语提示单词拼写)

2 . Life is a mystery——_________（展开，打开）it. Life is a game——play it. （根据汉语提示单词拼写）

3 . On a distant mountain was a sign—“Build the Three Gorges Dam, E________ the Yangtze River”.(根据首字母单词拼写)

4 . The plane is taking off. Please f_____ your safety belt. (根据首字母单词拼写)

5 . Please_________ (联络) me when you are in trouble, for I am always there for you. (根据汉语提示单词拼写)

6 . There are a lot of tourists around. Don’t they b________ you? (根据首字母单词拼写)

7 . Don't ________ (使不安) yourself about it—let's just forget what ever happened. （根据汉语提示单词拼写）

8 . ________ (忽视) the bell and go somewhere quiet to calm your friend down. （根据汉语提示单词拼写）

9 . Let's______(显示，展示) the figures and see what we have.

10 . Please r__________ your bag so that I can sit down.