根据首字母及汉语提示，完成下列单词的拼写，使句意明确，语言通顺。
【小题1】It is iimportant (重要的) for you to keep healthy.
【小题2】He r received (收到了) a story-book on his last birthday.
【小题3】We shouldn’t throw rubbish e everywhere (到处) to protect environment.
【小题4】A April (四月) is the fourth month of a year.
【小题5】“Help y yourselves (自便) to some fish.” Mum said to my friends.
网友回答
解析：
【小题1】此题考查形容词,important表示重要的.
【小题2】此题考查动词的形式,由last birthday可知要用过去式.故填received
【小题3】此题考查不定代词everywhere表示到处
【小题4】此题考查名词,四月份是april.
【小题5】此题考查固定结构help oneself to some food表示随便吃东西.