Select the right answer from the alternatives:

I object to his going there.

I prefer his staying here to his going there.

It is I who have done it.

He as well as I plays on piano.

I heard him knocking at the door.

Everyone but him studied the topics.

None but he  saw my leaving the place.

No one but they could think so.

I dislike him coming here.

Little John has learnt to eat by himself.

She and John gave the money to the boy.

You'll stick yourself with the pins if you are not careful.

Everyone has to do his own research.

Divide the mangoes just between you and me

Her car does not go as fast as ours.