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Unit1 The Changing World Topic2 The population in developing countries is growing faster.发展中国家A: Have you ever jumped rope? B: Yes. I have just jumped rope. / No. I have never jumped rope before. watch a movie in the open air在户外chat onlinego climbingHave you cleaned your room yet?It’s very dirty. I haven’t cleaned it yet.I have already cleaned it . It’s clean.现在完成时的标志词Note: already意为______,通常用在_____句中。 yet通常用在____句和____ [来自e网通客户端]
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九年级上册 2. The ...
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