题目内容：

根据句意，用括号内所给词的适当形式填空，每空不限一词。（10分）

1.Beijing, the capital of China, is one of the     _________  (big) cities in the world.

2.Look!Those __________________(swim) are trying to swim across the lake.

3.We should spend as much time as we can __________________(speak) English aloud.

4.It's ______________ (possible) for me to finish the work in only two hours.There is too much work to do.

5.“You are old enough to look after ________________ (you) now.” the mother said to the twins.

6.“There’s no hope to save the little panda,” the worker said _______________(sad).

7.Please be careful , or you will be in _______________(dangerous).

8.Her _______ (ill) kept her in hospital for six weeks.

9.I can’t wait _______________ (open) my present on Children’s Day.

10.Kitty is________________ (slim) than any other girl in her class.