把下列句子改为否定句。
(1)We are students. ________________________________________
(2)You are young and polite. ______________________________
(3)I am tall and strong. ___________________________________
(4)Sarah’s helpful at home. _______________________________
相关试题
动动脑。（选择相对应的答语，只填序号）
( ) （1）Dad, can I have a drink ,please?
( ) （2）Can I come in ?
( ) （3）Can you help me?
( ) （4）Can the bird fly?
| A．Yes,please come in . |
| B．OK, let me help you |
| C．Yes , you can |
| D．Yes, the bird can fly. |
动动脑。（选择相应的答语，只填序号）
( ) （1）What’s this?
( ) （2）What are those?
( ) （3）What are they doing?
( ) （4）What are these?
( ) （5）Where are you from?
| A．They’re flowers. |
| B．These are birds. |
| C．I come from Yunnan. |
| D．This is a boat. |
E.They are singing.
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