(   ) 3. Mr. Wang       his office since eight o'clock. I don't know where he is.

A.  left

B.   leave

C.   has been away from

D.  has left

3. C根據(jù)since可知該句用現(xiàn)在完成時(shí);leave是短 暫性動(dòng)詞，不能和一段時(shí)間連用。故選C。

題目來源：仁愛英語同步練習(xí)簿九年級(jí)上下冊(cè) > Topic 3 The world has changed for the better.

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