题目内容
--When _____ you _____ it? --An hour ago.
A. have, finished B. did, finish
C. can, finish D. do, finish
练习册系列答案
相关题目
题目内容
--When _____ you _____ it? --An hour ago.
A. have, finished B. did, finish
C. can, finish D. do, finish