用括号中所给单词的适当形式填空。

1. It's               (real) cold today.

2. This               (write) writes lots of interesting stories for kids.

3. Many people don't enjoy               (live) in big cities.

4. I am in my               (three) year in this middle school.

5. As we all know, the weather in southwest China is               (dry) than any other time in history.

Je5A3232细水泥浆自制备至用完的时间不宜超过（）h。

A.1；

B.2；

C.3；

D.4。