用所给词的适当形式填空。

1. She was _______ (bad) hurt when she fell off the tree.

2. I hope you will _______ (cover) soon.

3. He has been one of Dr. Clarks' _______ (patient) for many years.

4. The teacher walked into the class so _______ (quiet) that no one noticed him.

5. Comrade Lei Feng has been ______ (die) for many years.

美国《生活科学》评出世界十大古都，巴比伦排在第四位。你知道哪些国家曾经定都巴比伦么？

①古巴比伦王国②波斯帝国③亚历山大帝国④罗马帝国[ ]

A、①②③

B、②④

C、①③④

D、②③④