Q. We saw a boat . . . . . . . . the river.
✅ Correct Answer: (C)
on
Explanation: 'On' is used to show that something is in a position above something else and touching it. Here 'boat' is above the surface of the 'river' and touching it.
Explanation by: Team MCQ Buddy
'On' is used to show that something is in a position above something else and touching it. Here 'boat' is above the surface of the 'river' and touching it.