摘要： 表示肯定和不肯定 Expressing certainty and uncertainty a. I'm sure. I'm sure- b. I'm not sure. I'm not sure whether/if- c. Maybe/Perhaps.
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按要求转换下列各句，每空一词。
1. I need your help. (改为否定句)
I ________ ________ your help.
2. We go straight down the hall. (改为祈使句)
________ ________ ________ down the hall.
3. He wants to write a letter to his family. (改为同义句)
He wants to ________ ________.
4. He went to see his friend yesterday. (改为一般疑问句)
________ he ________ to see his friend yesterday?
5. — Were you in your office just now? (作肯定和否定回答)
— Yes, I ________.
— No, I ________.
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I ________ ________ your help.
2. We go straight down the hall. (改为祈使句)
________ ________ ________ down the hall.
3. He wants to write a letter to his family. (改为同义句)
He wants to ________ ________.
4. He went to see his friend yesterday. (改为一般疑问句)
________ he ________ to see his friend yesterday?
5. — Were you in your office just now? (作肯定和否定回答)
— Yes, I ________.
— No, I ________.