A. | is leaving | B. | has left | C. | has been away |
分析 飛機(jī)已經(jīng)飛走十分鐘了.
解答 答案:C.
現(xiàn)在完成時的構(gòu)成:have/has+過去分詞,表示過去發(fā)生的動作對現(xiàn)在造成的影響或結(jié)果或表示過去的動作或狀態(tài)持續(xù)到現(xiàn)在.如果后面的時間狀語是段時間的話,謂語動詞要用延續(xù)性動詞.根據(jù)"for ten minutes"十分鐘是一個段時間狀語,而leave"離開"是一個非延續(xù)性動詞,故可以排除A和B,所以要用可以表延續(xù)的動詞短語be away來填空,故選C.
點評 首先要掌握現(xiàn)在完成時的構(gòu)成以及用法,特別是延續(xù)性動詞和段時間連用的用法,然后結(jié)合具體的題目,就可以確定正確答案.
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