(1) What + a/an + adj. + 可数名词单数( + 主语 + 谓语)! What a lovely girl she is ! (2) What + adj. + 可数名词复数( + 主语 + 谓语)! What beautiful flowers they are! (3) What + adj. + 不可数名词 ( + 主语 + 谓语)! What good weather it is! 02. how 引导...