Question

The children prefer mangos......oranges

Answer 1

This question is testing on prepositions.

We are looking for the best or rather appropriate preposition to fill the gap.

When we are looking for the preposition, we look at the verb.

In our case the verb in question is prefer.

We are looking for a preposition that goes hand in hand with the word prefer.

In correct English we prefer something else to another thing.

Therefore the complete sentence would be :

Children prefer mangoes to Oranges.

Answer 2

The children prefer mangoes as they will be so juicy and very fleshy when compared to the oranges and at times oranges will be having sour and sweet taste too.

So most of the children prefer mangoes when compared to oranges as it gives a pleasant taste