-If you have time tonight，I’d like to invite you to a ball.　-That’s very nice of you，but are you ____?
A. free
B. careful
C. serious
D. true
出自：国家开放大学英语语法

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10244552】个 (题库试题定时更新)