阅读下面短文，根据短文内容判断文后句子的正误。在正确的句子前面括号内填写T，错误的填写F。
As a Chinese middle school student，everyone has different feelings about middle school life．How is it to be an American middle school student?
A few American middle schools came to Beijing several months ago．They wanted to enroll（招生）some students to go to America．They held a big enrollment meeting．
There were a lot of parents and children at the meeting．They were very interested in studying in America．A l2-year-old boy said，“I hear activities after school in America are very rich，so I want to open my eyes there．”
In America，kids can choose the school they like．Most middle schools are two years．And most high schools are four years．One school year needs about 40000 dollars for a Chinese student．It's still a lot for most Chinese families．
（ ）1．Many American middle schools came to Beijing not long ago．
（ ）2．The American schools came to enroll Chinese students to study in the US．
（ ）3．A l2-year-old boy said he wanted to go to the rich after-school activities in America．
（ ）4．Like schools in China，both middle schools and high schools in the US have three grades．
（ ）5．The cost of studying in America is not high for most Chinese families．