Preposition - Study Mode

[#776] Jeanne was texting her boyfriend . . . . . . . . the teacher was teaching.
Correct Answer

(A) while

[#777] Protyush will go to Delhi . . . . . . . . the new year.
Correct Answer

(B) at

[#778] The candidates shall abide . . . . . . . . all directions, instructions and regulations issued by the department.
Correct Answer

(C) by

[#779] The fire gave . . . . . . . . such dense smoke that some firemen backed . . . . . . . . from the burning building.
Correct Answer

(C) out, away

[#780] We saw a boat . . . . . . . . the river.
Correct Answer

(C) on

Explanation

Solution: '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.