A:跌落
B:升高
C:不变
D:居高不下
看图,选择合适的问句,把序号填在括号里。
A. Does she like cows? B. What do you like?
C. Do the boys know snakes? D. Does he like sheep?
阅读下列图片:
请回答:
At the weekend I swimming, And he TV.
下列四个流域中,城市最稀少的是( )