题干

You don’t necessarily have to own _____ latest everything, but you should have _____rough idea of what is changing.
A.the; aB.a; 不填C.不填; theD.the; the
上一题 下一题 0.64难度 单项选择 更新时间:2014-01-09 09:25:46

答案(点此获取答案解析)