1根据汉语提示，完成下列单词的拼写，使句意通顺。

1.When you cross the road, you must pay attention to your s_____（安全）.

2.There’s no d       that computers are widely used by workers.

3.Going to Australia for further education for two month is a very e________(高兴的) and exciting experience for me.

4.A car e______ will be held in April in Shanghai. You can see many different kinds of cars.

5.No matter where the pop star goes, the fans will f______ him.

Our rooms are bigger than          .

－Mom, where’s my backpack?

－You shouldn’t put your things casually, you should take good care of _____ own things.

I want to buy some presents different from _________.

A. you 　 B.yours 　　 C. your’s 　　　 D. your