My sister _____ (not read)this book before 填什么

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/20 17:27:52
My sister _____ (not read)this book before 填什么
x)T(,.I-R͒blԴT W?dgMR>y l(3#8Ȯ(zrSV<]c³t>۴ٜubCݓ͛aPQ @]m@6n<;cmi̓

My sister _____ (not read)this book before 填什么
My sister _____ (not read)this book before 填什么

My sister _____ (not read)this book before 填什么
hasn't read
before前面用完成时,之前没有过,强调结果“过”、“了”用完成时

didn't read