-Did Alan enjoy seeing his old friends yesterday?? -Yes.he did.He his old friend

—Did Alan enjoy seeing his old friends yesterday??

—Yes，he did.He his old friends for a long time.?

A.didn’t see　 B.wouldn’t see?　 C.hasn’t seen　 D.hadn’t seen

试题答案

D

for a long time与完成时连用，且前一句中用一般过去时，因此此处应用过去完成时态。