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故選 D。他已經(jīng)離開(kāi)一個(gè)月了。黃石 — Where is your uncle, Jane? — He is in Guangzhou. He ________ for a month. A. has left B. has gone C. left D. has been away 單元語(yǔ)法聚焦十 D 【解析】 考查動(dòng)詞的時(shí)態(tài)。故選 C。北京 Lily is my classmate. We ______ each other since she came to our school. A. know B. knew C. have known D. will know 【解析】 考查動(dòng)詞的時(shí)態(tài)。m ing right now. A. began B. has begun C. has been on 單元語(yǔ)法聚焦十 C C ( ) m sorry for being late. — Never mind. The meeting ________ for only 5 minutes. This way, please. A. has begun B.