《2025年同步练习册大象出版社九年级英语全一册人教版》

一、用 must, can't, might 或 could 填空。
难度指数(★☆☆)
1. You must be tired after working for eight hours without a rest.
2. The book must belong to Grace. Her name is on it.
3. The red bike can't be Mary's. Hers is blue.
4. — Where is Jack?
— He might / could be in his bedroom, but I'm not sure.
5. Don't play with the knife. It might / could cut your hand.

答案： 1. must 2. must 3. can't 4. might / could 5. might / could

二、总结情态动词 could, might, must, can't 表示推测的用法。
难度指数(★★☆)
| 情态动词 | 用法 |
| 1. must | 表示某事发生的可能性很大 |
| 2. could / might | 表示某事发生的可能性不是很大或对某事的发生没有较大的把握 |
| 3. can't | 表示某事不会发生的可能性很大 |

自我测评一下,看看你能答对多少：
4. — Is Lucy knocking at the door?
— No. It can't be Lucy. She is in Japan now.
5. — Our class won the English speaking contest.
— Congratulations! You must be very proud.
6. — Are you going to Beijing by plane?
— I am not sure. So I might / could take a train.

答案： 1. must 2. could / might 3. can't 4. can't 5. must 6. might / could

课堂练习
三、根据 Section A 2d 的内容回答问题。
难度指数(★☆☆)
1. What's wrong with Linda?She is worried because she can't find her schoolbag.
2. Where did Linda last put her schoolbag?She can't remember. She attended a concert yesterday so it might still be in the music hall.
3. What was in Linda's schoolbag?Her books, her pink hair band and some tennis balls.
4. Could Linda's schoolbag still be at the park? What will she do next?Yes. She thought somebody must have picked it up. She'll call them to check if anybody has it.

答案： 1. She is worried because she can't find her schoolbag. 2. She can't remember. She attended a concert yesterday so it might still be in the music hall. 3. Her books, her pink hair band and some tennis balls. 4. Yes. She thought somebody must have picked it up. She'll call them to check if anybody has it.

四、按要求完成下列句子。
难度指数(★★☆)
1. The girl under the tree must be Lucy. (改为否定句)
The girl under the tree can't be Lucy.
2. — Must I finish the work today? (作否定回答)
— No, you needn't.
3. They both like music very much. (改为同义句)
Both of them like music very much.
4. The bike is mine. (改为同义句)
The bike belongs to me.
5. I don't have anything valuable in my schoolbag. (改为同义句)
I have nothing valuable in my schoolbag.

答案： 1. can't be 2. No; needn't 3. Both of them 4. belongs to 5. nothing valuable