1.我从二十二岁开始就一直在教书(have been doing)
I have been teaching since I was 22 years old.
2.我的同学汤姆说过物理很难理解（be hard to...)
My classmate Tom said that Physics is hard to understand.
3.学生们正在唱歌为慈善机构筹集资金（raise money)
Students are singing to raise money for charity organizations.
4.事实上,我们越努力工作就会越感到高兴.（the+比较级...the+比较级...）
In fact,the harder we work,the happier we will be.
5.她买不起这本字典了,因为她用完了钱.（afford; run out of)
She can't afford to buy this dictionary,because she has run out of her money.
6.今天早上他是第一个到学校的（the first one; get to school)
This morning,he is the first one to get to school.
7.从三岁起我就一直在弹钢琴（play the piano; since)
I have been playing the piano since I was 3 years old.
8.你书读的越多,知道的就越多（the more...the more)
The more you read,the more you will know.
9.我不能买这件连衣裙,因为我已经把钱花光了（because; run out of)
I can't buy this dress,because I have run out of my money.
10.如果你知道其他也喜欢集邮的人,请告诉我（anyone else; that)
If you know anyone else that likes collecting stamps,please tell me.
注：run 的过去分词形式还是run
