In order to _________ a good learning atmosphere, our teacher made strict rules for us at the beginning of this term.
Arthur's memory starts to go wrong because of his age. So does_______.
There are a small number of people involved, possibly_______ ten
-- No one_______ be compared with Messi in playing football. --- Oh, you are really his big fan.
--- The dish looked bad, but it_______ OK. --- So it's not right to judge a man by his appearance.
-- I will buy you a new bike if you learn how to swim this summer. -- Is that a _______? I'm sure I'll get the bike.