They argued __________ each other __________ the maths problem yesterday.[ ]

The famous author often tells stories to the sick child to ___ him ____ .

John is my _____friend of all the classmates.

Do you know ______ this i-pad belongs to? – Let me see. Oh, it’s ______.

Which of these shirts do you like best?— I’ll take. They are all expensive and out of fashion.