24. Building such a bridge over the bay was ______, but the local government made it within two years. ( )
(A)a wet blanket
(B)a piece of cake
(C)a dark horse
(D)a hard nut to crack
参考答案
继续答题:下一题
(A)a wet blanket
(B)a piece of cake
(C)a dark horse
(D)a hard nut to crack