Unit 3课堂练习题
Lesson 18
I. 用括号中所给动词的适当形式填空。
1. The policeman warned us ___________ (take) care when we cross the street. 2. Brian____________ (fall) off the tree and broke his legs.
3. It took Danny two weeks _____________ (recover) and now he is well again. 4. The heavy snow stopped us from ___________ (go) out to play. 5. My father ____________ (take) me to the park every weekend. II. 按要求进行句型转换，每空一词。
1. My mother has washed all the clothes.（改为被动语态）
All the clothes ___________ __________ _________ by my mother. 2. Tony, you can’t stand on the chair.（改为祈使句） Tony, _____________ ____________ on the chair!
3. The hall is very big. It can hold 500 people.（合并为简单句）
The hall is ____________ _________ _________ __________ 500 people. 4. Jenny had a high fever yesterday.（改为反意疑问句）
Jenny had a high fever yesterday, ___________ __________? 5. I spent a whole day finishing the work.（改为同义句）
___________ __________ ___________ a whole day to finish the work. III. 从方框中选择适当的短语并用其适当形式填空。 write to think of climb the tree listen to say hello to 1. Tony didn’t ___________ our warning and he fell again.
2. Danny met an old friend of his and ____________ him at once. 3. Li Hong _____________ her parents and gave them a call at once.
4. I have ______________ her many time, but I’ve never heard from her at all. 5. Tony _______________ and found some little birds in it. IV. 根据所给的汉语完成下面的句子，每空一词。 1. 他妈妈劝告他用梯子。
His mother __________ __________ _________ __________ a ladder. 2. 风筝飞得越来越高了。
The kite is flying ___________ _________ __________. 3. 昨天我们老师带我们去了博物馆。
Our teachers ___________ __________ _________ the museum yesterday. 4. 恢复健康用了我半年的时间。
___________ __________ __________ half of a year to recover. 5. 警察警告他们不要在街道上玩了。
The policeman _________ ___________ __________ __________ __________ in the street.
答案： Lesson 18
I. 1. to take 2. Fell 3. to recover
4. going 5. takes
II. 1. have been washed 2. don’t stand 3. big enough to hold 4. didn’t she 5. It took me
III. 1. listen to 2. said hello to 3. thought of 4. written to 5. climbed the tree
IV. 1. advised him to use 2. higher and higher 3. took us to 4. It took us 5. warned them not to play