In the following question, a sentence is given in Direct speech. Out of the four alternatives choose the one which best expresses the sentence in Indirect Speech.
Mom said to him, “Can you take care of your younger sister?”
1
Mom asked him if can he take care of his younger sister.
2
Mom asked him he can take care of his younger sister.
3
Mom asked him can he take care of his younger sister.
4
Mom asked him if he can take care of his younger sister.