【单选题】Everybody needs water. Everything 16 water,too. We use water 17 the bowls, the clothes, and 18 .We use water to plant trees, flowers and crops. 19 does all water come from? It 20 from clouds...
A.
on
B.
into
C.
going D to go 小题9: A.into B.on C.it D.its 小题10: A.here B.there C.to D.down