4. 我爷爷正在看电视时，灯突然灭了。 (when sudd?enly,go off)

3. 当我从树旁经过时，一个苹果掉了下来。 (walk past,fall down)

2. 昨天晚上八点在发生什么事情？ (happen)

1. 她正在看书，突然一只长着粉红色眼睛的兔子从 她身边跑过。 (read,with,run by)

5. The interesting story is about a boy. His name is Harry Potter. (合并为一句) 

The interesting story is about                     Harry Potter.

4. There is nothing strange in the big hole. (改为肯定句) 

There                    in the big hole.

3. They did their homework last night. (用at eight last night改写句子)

They               their homework at eight last night.

2. They were playing computer games at nine last night. (对画线部分提问)

       were they        at nine last night?

1. The students were talking in class. (用when the teacher came into the classroom改写句子)

The students              in class when the teacher came into the classroom.

 Once two young men went to the countryside for a holiday. One day,when they were 1       a walk across a field,they 2        heard a loud noise. Then a bear appeared (出现) and began to 3        them. They were very 4        and began to run,but the bear continued to chase (追赶) them.

Finally,one of them climbed up a tree and 5      jumped into a large hole. Soon the man in the 6      came out. At once the bear chased him back into the hole. The man came out of the hole again,and again the bear chased him back. This 7        five or six times.

At last,the man on the top of the tree became very 8      ,and shouted to his friend in the hole, "How foolish you are!Stay in the hole for a while,9        the bear will keep us here all day. "The man jumped out of the hole again and said, "That's all right for you to 10        so,but there is a wolf in the hole！”

(   ) 1. A. making   B. doing

   C. going   D. taking

(   ) 2. A. luckily   B. suddenly

   C. quickly   D. finally

(   ) 3. A. look for   B. leave

   C. come at   D. eat

(   ) 4. A. sad   B. tired

   C. afraid   D. strange

(   ) 5. A. other   B. the other

   C. others   D. the others

(   ) 6. A. house   B. hole

   C. tree   D. field

(   ) 7. A. happened   B. took

   C. spent   D. lasted

(   ) 8. A. happy   B. excited

   C. angry   D. surprised

(   ) 9. A. so   B. or

   C. but   D. and

(   ) 10. A. tell   B. talk

   C. speak   D. say