1 . ________ (延迟) doing what you love and being with people you love until retirement can be a mistake. (根据汉语提示单词拼写)

2 . S______ the seeds of success today and your harvest will be great tomorrow. (根据首字母单词拼写)

3 . Don’t h________ to ask me if you have any questions. (根据首字母单词拼写)

4 . In any unsafe situation, simply ________(按，压) the button and a highly-trained agent will get you the help you need. （根据汉语提示单词拼写）

5 . Computers a________ for 5% of the country's commercial electricity consumption. （根据首字母单词拼写）

6 . As the saying goes, ________ while the iron is hot. We must take action before it is late.（用适当的词填空）

7 . In your free time, _______ (探索) all that this incredible city has to offer. （根据汉语提示单词拼写）

8 . He must have been out of sense when he did that,      he?

A．hasn’t

B．mustn’t

C．didn’t

D．wasn’t

9 . ______ along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.

A．Driving	B．Having driven
C．I was driving	D．When I was driving