Unit2 I think that mooncakes are delicious!1.crowded 形容词，拥挤的 be crowded with 被.挤满2.wonder v想知道 相当于want to know (1)后接who, what, why等连接词引导的宾语从句及“疑问词+动词不定式”结构时，想知道 I wonder who that boy is.(2)后接if 或whether 引导的从句时，表示一种委婉的请求或疑问,I wonder if I could use your mobile phone.(3)后接that引导的宾语从句以及动词不定式短语时，（对.）感到惊讶I wonder to see her looking so cheerful.(4)wonder n奇迹，奇观 What are the Seven Wonders in the world?(5)wonderful 形容词3.whether 与 if (1)引导宾语从句意为是否，可以互换。(2)引导宾语从句时，whethe
