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

For many years we have been keeping in ____by sending each other e-mails or phone calls.

What does your grandma often do after supper?–She ___ for a walk.

Don’t _______ the people who are in trouble.

He worked hard _ he passed the exam. [ ]