改写单词
What _______________ (do) you see three hours ago?

按要求写单词
1. watch（过去式）____________ 2. like （现在分词）_____________
3. study（第三人称单数）_____________ 4. September（缩写）____________
5. Oct.（完全形式）____________ 6. cool（反义词） ____________
7. can（否定形式）_____________ 8. come （对应词）__________
9.Ken（名词所有格）_____________ 10. are（过去式）_____________

写出下列动词的第三人称单数形式、正在进行时形式和过去式形式
1. do _____________   _____________   _____________
2. go _____________   _____________   _____________
3. play _____________   _____________   _____________
4. get _____________   _____________   _____________
5. take _____________   _____________   _____________
6. walk _____________   _____________   _____________

In the past, there no traffic in Shanghai at all. （    ）

A．are

B．is

C．were

D．was

I ___ my room last Sunday.

A．cleaned

B．clean

C．am cleaning