________stamps is my hobby. (　　)

A．Collect

B．Collecting

C．Collects

按要求写出下列词的适当形式
1. I would(缩写形式) ___________   2. goodbye(同义词)____________
3. card (复数形式)_____________    4. party (复数形式)_____________
5. begin（单三式形式）__________  6. bye(同音词) ______________
7. invite(名词形式)_______________  8. come(现在分词) ___________
9. I(宾格形式)__________________   10. come(对应词)____________

单词正确形式填空
1.I_____(be) doing homework now.
2.Mike and John ______(be) drawing pictures.
3.Amy ____ （be）reading a book.
4.We are __________(write) an e-mail.
5.Zhang Peng is _________ (listen) to music.

给下列动词加上ing 形式。
1.watch    ____________
2. have    ____________
3.collect   ____________
4.write    ____________
5.count   ____________

The sign on the wall means “No ________!”, so we shouldn’t ________ here.(  )

A．park; park

B．parking; park

C．park; parking