题目内容：

完成句子

1.他们正在忙着把海报贴在布告栏上。

They are busy ________the posters on the noticeboard.

2.所有这些玩具都是手工制作的。

All these toys are made _________.

3.在他的演讲中，他经常将年轻人比作初升的太阳。

In his speech, he gets used to ____the young ____the sun in the morning.

4.我们为我们按时完成任务而自豪。

We ________in having completed the task on schedule.

5.根据我们的记录，你已经缺席六次了。

You have been absent 6 times ________our records.

6.AIDS 是艾滋病的首字母缩写。

AIDS ________Acquired Immune Deficiency Syndrome.

7.紧张的竞争是我们所饱受折磨的事情。

Intense competition is something we are ________.