How long ago studying at the middle school?A. did you stopB. have you stoppedC. has you s

问题补充：

How long ago studying at the middle school?

A. did you stop

B. have you stopped

C. has you stopped

D. do you stop

答案：

(答案→)A. did you stop

B. have you stopped

C. has you stopped

D. do you stop

解析：可联系答.案.网客服索取。