I know my teacher ______ cares about me.

WhatdoyouthinkofPutin?— Heisanoutstandingleaderwho________hisreputation. [ ]

________ through pages and links, you have to read the information to decide whether it is linked to what you are researching.

Is Jack on duty today—It ________ be him. It’s his turntomorrow.

The key word in the sentence has been ______, so it doesn’t make any sense to us.