将下列动物与其相应的特征用线连起来．

A、大地清道夫         a、蜣螂（俗称屎克螂）

B、庄稼保护者         b、瓢虫

C、捕虫神刀手         c、螳螂

D、蚜虫死对头         d、青蛙．

句型转换。

1. I often write to my uncle. (对划线部分提问)

    ______ ______ you often ______ ______ ?

2. He sends two emails to me every day. (对划线部分提问)

    ______ ______ emails ______ he ______ to you every day?

3. My sister uses a computer to do her homework. (改为否定句)

    My sister ______ ______ a computer to do her homework.

4. Tom goes to school every day. (改为一般疑问句)

    ______ Tom ______ to school every day?

5. Have you got a computer at home? (改为同义句)

    ______ you ______ a computer at home?