I.单项选择 (每题2分，共30分）
1.— The party is so great!
—Yes, but Johnson, we’ve got to go home. ______
— Thank you. See you later.
A. Enjoy yourself! B. See you. C. I’m very sorry. D. What about you?
2.— Do you take ______ sugar in your tea?
— I used to, but now I’m on ______ diet. I’m trying to lose weight.
A. the; the B. 不填; a C. 不填; 不填 D. the; a
