来自汪迪的问题
英语习题求解!——Youseemtobefamiliartotheschool.——I___hereforthreeyears.It'sgreattobeback.A:havestudiedB:studiedC:hadstudiedD:study这里study发生在beback之前为什么不用过去完成时hadstudy而用一
英语习题求解!
——Youseemtobefamiliartotheschool.
——I___hereforthreeyears.It'sgreattobeback.
A:havestudiedB:studied
C:hadstudiedD:study
这里study发生在beback之前为什么不用过去完成时hadstudy而用一般过去时studied（正解）?
