句型转换。
l. The teacher allowed Peter to take the test later.
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2. They didn't go to bed until 11 :30 pm last night.(用stay up改写整个个句子,意思不变)
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3. The child is six years old. He should go to primary school. (用enough改写整个句子,意思不变)
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4. Students should be allowed to have part-time jobs.(改为一般疑问句)
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5. I couldn’t have the opportunity because I had to go back to school.(对划线部分提问)
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