阅读理解。 Sue is only five.  She doesn't go to school.  And of course, she doesn't know how to read and write. But her sister, Ann is a schoolgirl. She is eleven. One day, Ann saw her little sister at the table with a pen in her hand and a big piece of paper in front of her. 'What are you doing, Sue?'Ann asked. 'I'm writing a letter to my friend, Lily. ' 'But how can you? You don't know how to write. 'Ann said. 'Well,' Sue said. 'It doesn't matter (这没关系).  Because Lily doesn't know how to read. ' 短根据文内容，判断下列句子正( T)误( F)。 (     )1. Sue is a schoolgirl. (     )2. Ann knows how to read and write. (     )3. Sue can write a letter. (     )4. Lily doesn't go to school. (     )5. Sue is clever.