Why does Mr. Brown like the story?—Because the story reminded him _______ an experience he once had.[ ]

______ won’t be long ______ National Day comes.

You should ____________ your hands if you want to ask teachers for help.

＿＿＿＿＿＿ you leave so soon?-Yes. I have to catch my plane.

Not only ________ give people relaxation and pleasure, but ________ increase their knowledge of any kind.