Jim has been to the Great Wall before, ______ he?A. has B. does C. hasn’t
Salt _______ in East and South China.
Singing the song will help you________ when you feel stressed out.
What ________ you do if you ______ me?
My hometown has changed a lot. It is _______longer what it used _______.
We can deal _______ our problems by ________ them as challenges.