题目内容
What ______ you ______ all this morning?
[ ]
A. have, done B. had, done C. do, do D. has, done
答案:A
练习册系列答案
相关题目
题目内容
What ______ you ______ all this morning?
[ ]
A. have, done B. had, done C. do, do D. has, done