Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.
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.
We may be able to _______ you in some way if you can not finish your work on time.