根据短文内容， 选用横线上的词并用其适当形式填空。
floor, understand, chore, invite, when, develop, or, seriously, strict, could
When I have trouble, I always ask Mom，“________1 you help me？” But she always says, “Do it yourself, dear.” For example, one day I________2 some friends to my home.The________3 was dirty, so I asked my mom to help me sweep it. But she said________4, “Do it yourself, my boy.” I did it myself.
My mom is very________5 with me. She doesn't wash my clothes________6 clean my room. However, I have to help her to do the________7 at home. I even have to go to the dentist by myself________8 I have a toothache. Sometimes, it's really hard for me to do something by myself.
Now, I________9 my mom. She is trying to________10 my independence. She is really a good teacher in my life.
每日一个语法知识点
短暂性动词（buy, die, join, finish等）不能直接与for, since 连用， 需要改变动词。 1）begin(start)--be on
2) open--be open
3) become--be
4) die--be dead
5) fall asleep-- be asleep
6) close -- be closed
7) end/ finish---be over
8) put on--wear
9) leave-- be away(from)
10) catch a cold--have a cold
11) join the army--in the army/be a soldier
12) borrow---keep
13) join the party-- be in the party/ be a party member
14) buy---have
15)come/go/ arrive/reach/get /move to ---be in /at
总结：1.现在完成时表示过去发生的动作对现在造成的影响和结果；
2. 还可以表示过去发生的动作,一直持续到现在，也有可能持续下去.
3..一般情况下，for+时间段； since+过去的时间点；since + 段时间 ago；since + 一般过去时的句子
4.句型：现在完成时态（have/has+延续性动词的过去分词）+ for/ since...
单词
poor [puə] 贫穷的、贫困的
American [ə'merɪkən] 美国的、美洲的
village ['vilidʒ] n.乡村
Peking University [pi:'kiŋ,'ju:ni'və:siti]北京大学
graduate ['ɡrædjuit] n.大学毕业生
volunteer ['vɔlən'tiə] n.志愿者
The Ministry of Education 教育部
Chinese Young Pioneer ['paiəˈniə] 中国少年先锋队
rural ['ruərəl] adj.乡下的，乡村的
area ['ɛəriə] n.地区;地域
