The math problem is _______ difficult and _______ of them can work it out.
—There’re a few new words in the article? —What about in your dictionary?
—Look, what have you done? —Sorry. If I another chance, I’ll do it better.
China has many special forms of traditional art, ______ sky lanterns, paper cutting and Chinese clay art.
—Do you know ? —Yes, in two days.
We usually the moon and share mooncakes with families on Mid-Autumn Day.