看看你的应变能力，用所给单词的适当形式填空。

1. Everyone _____ (tell)me that you’re a unique boy.

2. There are many things _____ (write) about.

3. Her sister is a good _____ (sing).

4. My sister finished _____ (pack) the bag just now.

5. They brought us a piece of _____ (excite)news.

6. The old man is carrying a big box. He is very _____ (health).

7. Look! The kids are enjoying _____ (them) under the tree.

8. The other students kept their eyes _____ (close).

按照《全国统一建筑工程预算工程量计算规则》的规定，先张法预应力钢筋按( )计算长度。

A．构件长度—两端保护层厚度

B．构件长度+弯钩增加长度

C．预留孔边长度

D．构件外形尺寸