17 ( ) 1 The boat is passing___ the bridge. A. through B. below C. under D. across ( ) 2 Two planes are flying___ the city. A. through B. over , C. on , D, below ( ) 3 We can see a river running to the east____ the hill. A. under B. below C. over D. on ( ) 4 Do you see the kite ___ the building. A. over B. cross C. on D. above