—Ring me up_______ you come to my house, will you?—Sure, I will.[ ]A. though B. while C. before D. u
[ ]
题目简介
—Ring me up_______ you come to my house, will you?—Sure, I will.[ ]A. though B. while C. before D. u
题目详情
—Sure, I will.
[ ]
B. while
C. before
D. until
答案