题目内容：

选词填空）

请根据所给句子的内容，从下面方框中选出适当的单词，并用其正确的形式填在答题卷相应的横线上。每空一次，每词限用一次。

nine      invent    clear         great       Canada operate    he       worry        check       miss

1.He isn’t Chinese.He is __________.

2.The Smiths live on the            floor of the white building.

3.Li Na is one of the __________ tennis players in the world.

4.Please wait a moment. Mr Li is doing a(n) ___________ at the moment.

5.These __________  have brought the old lots of happiness.

6.Mrs Zhao is _________ about her weight all the time.

7.He is old enough to look after __________.

8.He speaks French as _________as a person born in France.

9.Those people are looking for a _________ boy here and there.

10.After final exam,teacher are busy____________the examination papers.