一、记单词，背句子
1、 eight [eɪt]
num.八，八个
·There are eight miles to go. 还有八英里(的路程)。
·I sometimes drink eight cups a day. 我有时候一天喝八杯。
2、send [send]
vt.送给，传，寄，派遣；发射；使陷于；vi.寄信；派人；播送
·I want to send a package. 我要寄个包裹。
·Do you prefer to send emails? 你喜欢发送电子邮件吗？
3、took [tʊk]
vt.带，载(take的过去式)
I took my dog for a walk along the river. 我带着狗沿那条河散步。It took me about two hours to cook the meat. 我花了大约两个小时来煮这些肉。4、address [əˈdres]
n.地址，演讲；vt.写姓名地址，演说
·Do you have an e-mail address? 你有电邮地址吗？
·I have to write the address. 我必须写上地址。
5、 envelope [ˈenvələʊp]
n.信封；封皮；包装
Don't forget to stick a stamp on the envelope. 不要忘记在信封上贴邮票。I folded the letter and then put it into the envelope. 我把信折好后放进信封里。6、mail [meɪl]
n.邮件；v.邮寄
He has a large amount of mail to answer every day. 他每天有大量的信件要回复。Please forward my mail to me. 请把我的邮件转寄给我。7、 certainly [ˈsɜ:tnli]
adv.当然，无疑；一定，肯定，必定
He is certainly a hero! 他无疑是个英雄！Some people certainly think so. 有些人肯定会这么认为。8、seen [si:n]
v.(see的过去分词)看见参考例句：
Since I left college, I have not seen him. 自从我离开大学以后，就没有见过他了。I hope to have seen the film next week. 我希望下星期能看到这部电影。9、saw [sɔ:]
vbl.看见(see的过去式)；n.锯；v.用锯子锯
Would you like to saw a tree for me? 你能为我锯棵树吗？The moment I saw you, I knew you were angry with me. 我一看到你，就知道你在生我的气。10、thought [θɔ:t]
n.想法，思想，思维，思潮，关心，挂念；v.vbl.think的过去式和过去分词
It was just a thought. 这仅仅是一个想法。She thought he had a cold. 她认为他感冒了。二、单词活用，阅读提升
One day, the father lets eight year-old son send a letter, the son took the letter , the father then remembered didn't write the address and addressee's name on the envelope.
有一天,父亲让八岁的儿子去寄一封信,儿子已经拿着信跑了,父亲才想起信封上没写地址和收信人的名字。
After the son comes back, the father asks him: "You have thrown the letter in the mail box?"
儿子回来后,父亲问他:"你把信丢进邮筒了吗?"
"Certainly"
"当然"
"You have not seen on the envelope not to write the address and the addressee name?"
"你没看见信封上没有写地址和收信人名字吗?"
"I certainly saw nothing written on the envelope."
"我当然看见信封上什么也没写"
"Then why you didn't take it back?"
"那你为什么不拿回来呢？"
"I also thought that you do not write the address and the addressee, is for does not want to let me know that you do send the letter to who!"
"我还以为你不写地址和收信人,是为了不想让我知道你把信寄给谁呢!"