题干

With many troublesome problems, such as unemployment and crime,     , the new mayor seems to be at a loss.
A.remained to solveB.remaining to be solved
C.remained to be solvedD.remaining to solve
上一题 下一题 0.65难度 单项选择 更新时间:2017-08-09 09:02:52

答案(点此获取答案解析)