________  _________ families _______   ________and many children were left ________ parents.

完成句子( 每空1分，共20分)

1.Professor Yu ______  ______  ______ before ______  his speech.

于教授在演讲之前先理顺了一下自己的思路。

2.All the students ______  ________  _______ the Internet.

并非所有学生都喜欢上网。

3.The police _______ a man  _______  drowning.

警方援救一男子，使之免遭溺水。

4.She _______ very  _______  ________ her children’s success.

她对她的孩子们的成功感到非常自豪。

5.______  ______  _______ the teacher was satisfied with what you have done.

老师好像对你做的事很满意。

6.________  _________ families _______   ________and many children were left ________ parents.

成千上万个家庭遇难，许多孩子成了孤儿。