精选优质文档-倾情为你奉上What were you doing when the rainstorm came?讲义 6一从每小题所给的A、B、C、D四个选项中选出一个可以填入空白处的最佳选项。( )1.When the man downstairs knocked at the door, I_. A.am doing houseworkB. was doing housework C. were doing houseworkD.am going to do housework ( )2. There is a blackboard_ our classroom. Our teacher was standing _ the blackboard at this time yesterday. A. in front of; in the front ofB. in the front of; on C. in the front
