Billy and Sam were twins. They were in the same class. They were both very happy. One day their teacher asked the class to write a composition(作文)'My Mother'. Sam wrote one, but Billy was lazy. He just copied his brother's.  The next day, the teacher asked Billy why his composition was the same as Sam's. 'We have the same mother, don't we?' answered Billy. 根据短文内容判断句子正误，正确的填T，错误的填F。 小题1:Sam was older than Billy. 小题2:Sam and Billy were in different classes 小题3:The name of the composition was 'My Mother'21·cn·jy·com 小题4:Billy's composition was the same as Sam's 小题5:Billy was not lazy. He was very clever