People have been complaining about SK-II recently and think the advertisements always persuade people _________ the products which are not so good. [ ]

We have no idea ________. —It’s heard that he is Mr. Green’s son.

At the foot of Wulian Mountains, you can hear the _______ of the running water.

a student is found cheating in the exam, he will not escape from being punished

At the meeting they discussed threedifferentto solving the problem.