— ?
—He fell in the mud.[ ]
A. What is it
B. What can it do
C. What happened
答案:C
A stranger started walking about in the hall, to find the main office.
A.trying
B.to try
C.tried
D.was trying
关于我国水资源时间分配的正确叙述是[ ]
A、夏秋多,冬春少
B、夏秋少,冬春少
C、夏秋少,冬春多
D、夏秋多,冬春也多