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主動語態(tài)變被動語態(tài) 1:The students have done a lot of work this week

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時間:2024-08-17 11:03:32
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主動語態(tài)變被動語態(tài) 1:The students have done a lot of work this week【專家解說】:2. Our classrom must be k

【專家解說】:2. Our classrom must be kept clean. 3. English must be spoken in class. 4. Must all the exercises be done by me? 5. All the questions were answered by John. 6. Was the letter written? 省略