He knows a lot about Egypt.I heard he( )there before. A.has been B.has gone C.had been.

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HeknowsalotaboutEgypt.Iheardhe()therebefore.A.hasbeenB.hasgoneC.hadbeen.HeknowsalotaboutEgypt.Iheard

He knows a lot about Egypt.I heard he( )there before. A.has been B.has gone C.had been.
He knows a lot about Egypt.I heard he( )there before. A.has been B.has gone C.had been.

He knows a lot about Egypt.I heard he( )there before. A.has been B.has gone C.had been.
C.had been

C.had been
前面主句过去式,后面也要用过去时态

A

c 过去完成时

C
去过