【正文】
younger D. younger。 11. The teacher asks us _______ (listen) carefully in class. 12. The girl _______(use) to do some reading when she was a child. 13. The old man _________ (be) ill for three years. 14. If you ________ (not know) the answer, you’d better _______ (put) up hands. 15. Thank you for ________ (give) me the presents. 16. How long _______ you ________ (study) English? 17. One of the boys ________ (be) born in 1992. 18. Where is my pen? My mother _______ (take) it away. 19. The interesting story made all of us ________ (not keep)quiet in class. 20. I’m sorry I fot ________ (give) the book back to you. 三、單項(xiàng)選擇。 saw 23. _______ does it take you to go by b