一、用 while 或 when 填空
1. his father was watching TV, he was doing his homework.
2. I will go home he comes back.
3. He likes coffee, she likes tea.
4. We were about to start it began to rain.
5. My mother was cooking in the kitchen my father came home.

1. While 2. when 3. while
4. when 5. when

二、用所给单词的适当形式填空
1. Stop (). The teacher is coming.
2. He run out of the room without () a word.
3. I saw a thief () away the bike.
4. My mother told me not to talk with ().
5. The cat was sitting in a tree and () at everyone.

1. talking 2. saying 3. taking/take
4. strangers 5. smiling

三、句型转换
1. My mother was reading a newspaper at 7:00 yesterday. (改为一般疑问句)
mother reading a newspaper at 7:00 yesterday?
2. They are playing basketball in the playground. (用 at this time yesterday 改写句子)
They basketball in the playground .
3. Tom was playing computer games. His mother returned. (用 when 合并为一句)
Tom computer games his mother .
4. Li Lei and Li Tao were talking on the phone at five o'clock yesterday afternoon. (对画线部分提问)
Li Lei and Li Tao at five o'clock yesterday afternoon?
5. He fell down from the bike yesterday. (改为同义句)
He the bike yesterday.

1. Was your 2. were playing; at this time yesterday 3. was playing; when; returned 4. What were; doing 5. fell off