题目内容：

完成句子

1.取笑别人是不礼貌的.

_______ is impolite to _______ _______ ________ others.

2.中国人民以勤劳而文明于世。

Chinese people _____ _______ _________ ______ hard-working in the world.

3.如果大家彼此帮助，世界将充满爱.

If we help each other, the world _______ _______ _______ _______ love.

4.工人花了两年时间建成这座塔。

Workers ________ two years in ________ the tower.

5.Tom放弃了出国学习来照顾生病的母亲。

Tom ______ _______ _______ abroad ______ look after his sick mother.