One of the most important questions they had to consider was__________ of public health
Burns will tell his board(全体委员) today that the Sports Council wants a non-voting member to _______the way the cash is spent.
The time and effort he has devoted during the past few years ______ trees in that remote area is now considered to be of great value.
This school has strict rules. Almost no one can ________ cheating in exams.
Though we have been staying up for days, there’s still _____ work remaining to be done.
It is strange that the small boy _________ work out such a difficult exercise, which is even hard to settle for adults.