Flying kites, ______ some researchers point out, can not only bring about joy to us, but also promote our physical and mental health.
_____ means to do what you promised.
It is our ______ to enjoy the moon on Mid-Autumn night.
______ him and then try to copy what he does.
---- Happy New Year to you! ---- ______! By the way, how do people ______ New Year in your country?
I met an old friend __________ on the train yesterday.[