仁愛版八年級英語上unit2topic3mustweexercisetopreventtheflusectiona教學(xué)課件共20張ppt共20張ppt-文庫吧資料
2024-11-30 03:38本頁面
【正文】 We must keep the air fresh all the time. 一直 crowded We should keep away from crowded places. 擁擠的地方 A: Must we keep away from crowded places to prevent the flu? B: Yes, we must. A: Must we close the window to prevent the flu? B: No, we don’t have to. / No, we needn’t. We must keep the air fresh all the time. A: Must we take some medicine to prevent the flu? B: No, we don’ t have to./ No, we needn’ t. A: Must we exercise often to build us up? B: Yes, we must. A: Must we close the window to prevent the flu? B: No, we don’t have to. / No, we needn’t. We must keep the air fresh all the time.
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