I hate people _______ don’t help others when they are in trouble. [ ]

A moment, please．I’m checking if Mr. Smith _________ free tomorrow．

Here _____ in the classroom.[ ]

Wow, so many new houses! I can’t believe that. It used to be a poor village.— Yes,_________ has changed here.

He has poor eyesight _____ too much computer work at night.[ ]