用所给字母组成单词,补全句子。 1.They come from _______ (n, g, e, f, r, i, o) countries. 2.My sister studies really _______ (d, h, r, a). 3.Mr Wang _______ (t, a, h, g, u, t) me how to dance. 4.I _______ (t, r, e, l, a, n) to draw at school. 5.Li Jun was _______ (y, h, r, i, t, t) two years ago.