--- How long have you been collecting coins?--- ________.A.Since 5 years ago B.Since 5 years C.C.In 5 years D.When I was 5

问题描述:

--- How long have you been collecting coins?--- ________.A.Since 5 years ago B.Since 5 years C.
C.In 5 years D.When I was 5

选D
since不可以接多少数量,应该接什么时候或年份。

A

选择A since 5 years ago