二、根据中文意思用英文完成句子。
1. ____________（当我撞到墙上时），the books and papers in my hand dropped onto the ground.
2. Max got lost and was trapped in the forest for 10 hours ____________（直到一个农民找到了他）.
3. Linda was soon out of breath, ____________（但她继续跑）.
4. Reading ____________（为我打开了一个全新的世界）. I know more from books.

二、1. When I hit against the wall 2. until a farmer found him 3. but she continued to run/running 4. opens up a whole new world to me

考点演练
一、用方框中所给词的适当形式完成句子。
1. There is no bus now. I'll __________ walk home.
2. You __________ be careful when you cross the road.
3. We __________ cross the road when the traffic light is red.
4. It's Sunday today. You __________ go to school.
5. You __________ not get off the bus before it has come to a full stop.
6. He __________ stay at home to look after his mother because she is ill.
7. She __________ work at weekends. She can have two days off.

1. have to 2. must 3. mustn't 4. don't have to 5. must 6. has to 7. doesn't have to

二、同义句转换。
1. I don't know when we will have the meeting.
I don't know when __________ __________ __________ __________.
2. The question is where we should put it.
The question is where __________ __________ it.
3. There are so many beautiful dresses. I can't decide which one I should buy.
There are so many beautiful dresses. I can't decide __________ __________ __________ __________.
4. The young woman doesn't know what she should do.
The young woman doesn't know __________ __________ __________.
5. — I haven't decided when I will go on a trip to Shanghai.
— Why not go there next Friday?
— I haven't decided __________ __________ __________ on a trip to Shanghai.
— Why not go there next Friday?

1. to have the meeting 2. to put 3. which one to buy 4. what to do 5. when to go