lChoose the correct preposition and fill in the blanks: The father said to his child, “You must be back ____________ eight o’clock.” A. in B. on C. by D. to Ans: C Explanation: Preposition ‘by’ is used to denote: not later than the time mentioned; before.

Choose the correct preposition and fill in the blanks:

The father said to his child, “You must be back ____________ eight o’clock.”

 A. in

 B. on

 C. by

 D. to

 Ans: C

Explanation: Preposition ‘by’ is used to denote: not later than the time mentioned; before.