__________ is certain is __________ prevention is more important than treatment.
Now these boys ______our football team.
----How about _______ Christmas evening party?----I should say it was _______ success.
----- What time is it now?----- _____ my watch, it is 8 o’clock.
Only in this way ______ from your friends.
Now their talks have reached a key stage ____ one side must give in to the other.