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        1. 【題目】Tony got up late, the meeting_____ for 20 minutes by the time he arrived.

          A.has been onB.had begunC.had been on

          【答案】C

          【解析】

          句意:托尼起床晚了,到他到達時,會議已經(jīng)開了20分鐘了。

          考查時態(tài)。根據(jù)“for 20 minutes by the time he arrived”可知此處用過去完成時,根據(jù)begin是點動詞,瞬間動詞不能與一段時間連用,應變成相應的延續(xù)性動詞;這句話可用“be on”,故選C。

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