写出下列单词的正确形式。
1. grow(三单形式)---_____________
2. swim(现在分词)---__________
3. camp(现在分词)---_____________
4. close(反义词)---_______________
5. student(复数形式)---____________
6. trip(复数形式)---_______________

用所给单词的正确形式填空：How much is the pair of ______ (shoe)?

We have different ______ of shoes. （   ）

A．the kind

B．kind

C．kinds

根据括号内的汉语提示填入适当的单词或词组
【小题1】Fei Junlong and Nie Haisheng are famous Chinese ________（宇航员）.
【小题2】Edison was a great ________（发明家）.
【小题3】Yao Ming is a basketball ________（运动员）.
【小题4】Is he a film star or an ________（探险家）?
【小题5】Christopher Columbus ________（发现）America.
【小题6】Eddie thinks Paul Yum is the ________（伟大）person in the world.

How many ______? (   )

A．an egg

B．egg

C．eggs