下列动物中用气管呼吸的是[ ]

A．哺乳动物    

B．鸟类    

C．爬行动物    

D．大多数昆虫

句型转换

1. The man had a terrible accident during the trip. (改为同义句)

A terrible accident ______ ______ the man during the trip.

2. My mother will be back in two hours. (对画线部分提问)

______ ______will your mother be back?

3. The girl’s left leg was wounded. (改为同义句)

The girl ______   _____ ______ in her left leg.

4. Tina came to the office half an hour ago. (用for half all hour替换half all hour ago)

Tina ______   _____ ______ for half an hour.

5. His uncle left for Rizhao yesterday. (用in about three days改写句子)

His uncle  ______ _______ for Rizhao in about three days.