I, who ______ your close friend, will try my best to help you out of trouble.

--- Have you got some water to drink?--- Here you are. There _______ still some in the bottle.

I don’t know her. She is ________ my classmate nor my friend. 

Either you or one of your students _________ to attend the meeting that is due tomorrow.

Swimming in the pool with the children ________ very interesting.