_____merely on what the average is , and you’ll remain average.

It is obvious that people hold different opinions about ____ voluntary services should be financially rewarded.

Would you like to climb the hill with us tomorrow? — If it ______, I ______. [ ]

You’ll find _____ to use the computer. Even the elderly can learn it all by themselves.

The pollution problem here seems to get more and more serious .Something ____with it .