题干

Though our economy grows fast, we produce ________ we did 20 years ago.
A.more than 30 times as much rubbish asB.30 times as more rubbish as
C.30 times more the number of rubbish asD.more than as 30 times rubbish as
上一题 下一题 0.65难度 单项选择 更新时间:2019-03-22 09:04:30

答案(点此获取答案解析)