Question

we must work hard to............ the lost hours. a. make up. b. get back c. make off d.do out

Answer 1

We must work hard to $\textbf{make up}$ the lost hours

Answer 2

The correct option is option a. make up.

We must work hard to make up the lost hours.


Explanation:

'Make up' is a phrasal verb; its meaning is 'to compensate for something'.

Phrasal verb is a verb combined with an adverb or a preposition, or sometimes both , to give a new meaning, for example go in for, win over and see to. They are very tricky; one must study them carefully before using them.