完形填空

My name is Bob. I'm a middle school student. My home is about two miles 1 school. I usually leave2 school at about 6:30. I usually get to school 3. It takes me about 20 minutes. But sometimes I go there 4. It takes 5 only ten minutes.

    My friend Nick, usually goes to school by bus. He usually 6 at 5:30 every day. Then he has7 quick breakfast and goes to school at six. First he8 to the bus stop. Then the bus takes 9 to school. It usually takes him forty minutes to get to school.

     There are different 10 to get to school. But I like walking best.

课外阅读

湖    水

   白天，它是一面明亮的镜子，照着随风飘荡的垂柳和阳光下盛开的鲜花，照着小飞机一样的蓝蜻蜓，还有那翩翩起舞的花蝴蝶……  夜晚，它变成一个浴盆，小星星们到这里来洗澡，“哗啦，哗啦！”看，他们洗得多么干净，笑得多么痛快…… 

当前，人类面临的共同问题是