Teenagers ________ their health because they often expose themselves to so many electric products.
You must _____ to the rules and behave properly even if you think they are unfair.
No one is sure who the dictionary ______.
On Christmas Eve, we put up some balloons to ______ the festival atmosphere.
His parents __________ him to work in a big company but he failed them.
At the meeting, student representatives ________some very good suggestions.