一道英语单选题 There was nowhere to play with so much mess _____the back yard.
问题描述：
一道英语单选题 There was nowhere to play with so much mess _____the back yard.
A.filled B.filling C.to fill D.being filled
还是B,
答
选b
这种题要看mess和the back yard 的关系,如果是主动就选ing,如果是被动就选ed
明显是mess把back yard给fill了,所以是主动关系,选b