1.The sun shuining（ ) the sky 2.There is a boat（ )the river

1.The sun shuining（ ) the sky 2.There is a boat（ )the river 3.Sally is looking ( )the aeroplane
4.There is a desk（ ）the window 5.The little boy is sunning ( )his mother 6.I am walking ( ) my mother 7.My brother is running
有这些词：with on over in off at after near