there is a small river ____ the hill.Six ducks are swimming

there is a small river ____ the hill.Six ducks are swimming There is a small bridge _ the river and some ducks are swimm 是The ducks are swimming on the river 还是in the river?是There a there is a river in the picture.there are some ducks and a b （ ）There are many ducks ____ the river.A.in B.on C.over There are teo ducks and a boat on the river. there are some ducks in the river are ducks any in river there the(?) There _____ sheep at the foot of the hill.A.is small B.are a The fish ____(is /are)swimming in the river. Look, there are a lot of ducks s_ in the river. Are _ ducks over there in the river? A.this B.that C.those D