5．With the rapid ________ of modern science, people's living conditions have been greatly improved. (develop)

4．I was ________ to hear that he had helped my younger sister with ________. (pleasant)

3．Knowing another language besides one's own is very________.(use)

2．He ________ told me that he was really glad at the news. (excite)

1．His mother's ________ made him very sad. (die)

5．请大声点说，以便别人能听见你的话。

　　 Please speak loudly________ ________you can make ________ ________.

4．他在会上所说的会是真的吗?

　　 ________ ________he said ________ the meeting ________ true?

3．我想他肯定是在撒谎。

　　 I think that he________ ________ ________.

2．圣诞节前我收到了他的礼物。

　　 His present ________ me before Christmas.

1．钓鱼是多么有趣的事啊!

　　 ________ ________is________ ________ ________!