Betty’s brother isn’t old enough to look after ____.
What do you think if we put both John and Jack in charge of the work? — Just John is OK. ________, you know.
Is it possible to be mad _______ others? —Of course not. [ ]
Steven, could you help me_______ when the plane will take off on the Internet? -I’m sorry, my computer doesn’t work.
Can you see there is _______ interesting book on the table?— Yes. I like _______ stories in it.