早教吧 育儿知识 作业答案 考试题库 百科 知识分享

A:HaveyoubeentoCanadabefore?B:().A.No,IhaveB.Yes,IhaveC.Yes,Idid

题目详情
A:Have you been to Canada before?B:( ).
A.No,I have
B.Yes,I have
C.Yes,I did
▼优质解答
答案和解析
B.Yes,I have
问句是完成时,答句也应该是