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Unit 6 How long have you been collecting shells? 学习目标
人民教育出版社
| | | | | 用have / has + been doing 构成现在完成进行时 A: How long have you been skating? B: I've been skating since nine o'clock. A: How long have you been collecting cans? B: I've been doing that for two years. | | | collect, skate, pair, since, raise, several, stamp, kite, anyone, store, cake, coin, been, capital, European, Russian, Australian, thousand, foreigner, quite, certain, miss | | skater, shell, monster, globe, collector, common, extra, topic, writer, the Olympic Games, particularly | | | | run out of, by the way, be interested in, more than, far away | | | | |
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