19．―When did Tom the new computer? ―Well.he it for half a year．A．have.has bought B．buy, has hadC．buy has bought D．have has had 【查看更多】

 

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—When did Tom           the new computer?

—Well，he            it for half a year．

A．have，has bought                             B．buy, has had

C．buy，has bought                              D．have，has had

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