用所给单词的适当形式填空。 1. The students are all busy____
| 用所给单词的适当形式填空。 |
| 1.The students are all busy____ (get) ready for the exam. 2.The teacher told the class____ (not talk). 3.Could you please____ (make) a telephone? 4. What do you need (write) paper for? |
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