填空。 Kate is a little girl. She is not 1 . She 2 how to read 3 write. But her sister Mary is a 4 . She is ten. One day, Mary 5 her little sister in the room. She's at the table. There is a pencil in 6 hand (手). She is 7 . 'What are you doing, Kate?' she asked. 'I'm writing 8 my friend, Rose,' says Kate. ' 9 how can you? You don't know how to write,' says her sister. 'Well,' says Kate, 'It doesn't matter (没关系). Rose doesn't know how to 10 , either (也).'