I'm very glad to see you here.I()you had come already.A.don't B.haven't C.didn't knowD.hadn't know
问题描述:
I'm very glad to see you here.I()you had come already.A.don't B.haven't C.didn't know
D.hadn't know
答
因为already是现在完成时的标志词之一
答
从宾语从句you had come already的时态来看主句时态应与从句时态保持一致,故排除A和B.
联系上句,意为很高兴在这里见到我,我都不知道你已经来了.其中“我都不知道”是现在不知道,而hadn't是过去完成时态,显然不符合,故排除D