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1. There are many flowers _____________ the river.

A. in
B. near
C. on

2. The ducks are _____________ the water. 

A. in
B. on
C. under

3. The bridge is _____________ the river.

A. behind
B. on
C. over

4. The girl is _____________ the tree. 

A. on
B. under
C. near

5. The houses are _____________ the trees.

A. behind
B. in front of
C. over