题目

_______ he is tired, he is still doing his homework. A . Because B . As C . When D . Although 答案：D根据课文内容填空。 （1）池草________，山花________，________出水，________入林。 （2）小荷才露________，早有蜻蜓________。 （3）________,疑是地上霜。举头望________，________。 （4）玉不琢，不成器，________，________。