按建筑材料的不同,涵洞可分为砖涵、石涵、混凝土涵及( )。
A.钢筋混凝土涵
B.涵洞
C.砂涵
D.灰土混凝土涵
参考答案:A
Now that we ______ all the money, it's no use turning on me and saying it's all my fault.
A. had lostB. lostC. have lostD. lose
有人说,“对牛弹琴是来讽喻听者的”,你怎么看