精选优质文档-倾情为你奉上.单句语法填空1(2017北京高考)Jane moved aimlessly down the treelined street, not knowing _ she was heading.答案：where根据语境可知，此处应填关系副词where，作宾语从句的连接词，表示“不知道前往何处”。2(2017天津高考)I _(drive) down to London when I suddenly found that I was on the wrong road.答案：was drivingbe doing. when. 是固定句式，表示“正在做这时”，从句用的是一般过去时，主句也应用过去时，且表示动作正在进行，故用过去进行时。3Today I will introduce Charles Dickens to you, the great nineteenth century English _(novel)答案：novelistnove
