杭州交通信息网黑河市铸铁暖气换热器:--Do you remember___to Dr.Green during your last visit?--Certainly I do.
来源：百度文库 编辑：杭州交通信息网 时间：2024/05/14 01:14:47
(A)to be introduced(B)having introduced
(C)being introduced(D)to have been introduced
(C)being introduced(D)to have been introduced
C,解释起来比较麻烦
你可以看看选什么的人比较多
不过也可以相信我
我6级老早过了
c
C
C
remember doing sth 记得过去曾经做过……
remember to do sth 记得将要去做……