I wounder why Jenny___us recently.We should have heard from her by now.A.hasn't writtenB.doesn't writeC.won't writeD.hadn't written

熱心網友

I wounder why Jenny___us recently.We should have heard from her by now. A.hasn't written B.doesn't write C.won't write D.hadn't written根據should have heard 判斷：本來早應該收到她的來信，但事實上還沒有， 所以用現在完成時。選a 。

熱心網友

a

熱心網友

a

熱心網友

A

熱心網友

選D。根據后面的語境為完成時，因此前面的應該為過去完成時。