题干

I’m lucky to have got two tickets _____. Are you _____ to go to the concert with me?
A.freely; freeB.for free; freely
C.freely; for freeD.for free; free
上一题 下一题 0.65难度 单项选择 更新时间:2018-03-04 03:04:45

答案(点此获取答案解析)