19.-Your cell phone can show the exact position of the person you're talking to?
-Yes.It's a very useful function and I ________ it for quite a while.( 。
A.usedB.would useC.have been usingD.had used

分析 -你的手機能顯示跟你說話的人的確切位置嗎?
-可以.這是一個很有用的功能,而且我已將用了有一段時間了.

解答 答案:C.
考查現(xiàn)在完成進行時.現(xiàn)在完成進行時表示動作從過去的某一時間開始并且有可能繼續(xù)持續(xù)下去.題干中for quite a while是時間狀語,表一段時間,由此得出用現(xiàn)在完成時,且手機還會繼續(xù)使用,故用現(xiàn)在完成進行時,選C.

點評 本題考查現(xiàn)在完成進行時.現(xiàn)在完成進行時表示動作從過去的某個時間開始一直持續(xù)到現(xiàn)在并且有可能繼續(xù)持續(xù)下去.關鍵找到時間狀語.

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