当漏洞进水口（），周围土质较硬时，可用棉衣、棉被等物填塞。
A.较大
B.水深
C.水浅
D.较小
参考答案：D
车票的编号从000000到999999，一张车票称谓幸运的如果前三位数字之和等于后三位数字之和．证明：幸运的车票的张数等于编号的各位数字之和为27的车票的张数．
She spoke so fast and left the room before they were able to understand ______ she said meant.
A．what
B．that
C．what what
D．what that
