Swimming in the river is very _.there are some whales which
Swimming in the river is very _.there are some whales which
swimming in the sea is very dangerous.There are some sharks
there ___ little fish swimming in the river.填什么 is ,is some
there are some fish in the river 还是there is some fish in the
there are some ducks in the river
some ( )are swimming in the river是fish还是fishes
There is some fish in the river.There are much fish in the r
Some people ()swimming in the river now.A.is
There is a small bridge _ the river and some ducks are swimm
The fish ____(is /are)swimming in the river.
there is a d( ) swimming in the river
there is a river in the picture.there are some ducks and a b