Mike's father wants to know how his son is getting along（进展）in school．One day he asks Mike，“Mike，how are you getting along in school？What's your place（名次）in the class？”
“Number twenty-one，father．”
“And how many students are there in your class？”
“Twenty-one．”
One Saturday afternoon，Mike gives his test paper（试卷）to his father．“How are you getting along in school now，Mike？” asks his father．
“I'm getting along better（更好）．”
“What is your place now？”
“Number twenty now．”
“Good，then you are one place ahead．”
“No，father，one of the students left our class．He studies at another school now．”
根据短文内容判断正（T）误（F）。
（ ）1．Mike is a student．
（ ）2．There are twenty-one students in Mike's class at first．
（ ）3．Mike's father knows his son is a good student．
（ ）4．Mike is not at the bottom of his class．
（ ）5．One of Mike's classmates left his school studies in another school now．
