oh,it's you.i'm sorry i ____ know you _____ here.A.didn't are B.d_英语解答

oh,it's you.i'm sorry i ____ know you _____ here.
A.didn't are B.didn't were

人气：268 ℃　时间：2020-04-12 15:57:42

解答

选B
I didn't know you were here.这句话是过去时,前后时态要一样.
不能前面用过去式,后面用现在式.所以引选B