单词辨音
--- I’m sorry I_______ my homework at home. ---That’s all right. Don’t forget _______ it to school this afternoon.
Don’t _______too late, or you will feel tired in class tomorrow.
--- Have you _______it?’ ---Sorry. Would you please explain it for a second time?
I have no doubt in my mind _______ they will be glad to see me.
---Jack,you look tired today. What’s wrong? --- I was _______ busy _______ I didn’t go to bed until midnight yesterday.