II. 用适当的反身代词填空。 6. — Who taught you to play the guitar? — Nobody. I learned it by __________ . 7. Yesterday we enjoyed __________ in the park. 8. My old grandparents told me that they could look after __________ well. 9. “ You are old enough, boy. You ’ d better do it __________ (you), ” my father said to me. 10. His name is Thomas, but he usually calls __________ (he) Tom.