从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. — Putting on a happy face not only helps us make friends but also makes us feel better.
— _______.
A. I’d love to B. I’m with you on that
C. It’s up to you D. It’s my pleasure
22. — The 2008 Beijing Olympic Games were ________ success.
— I can’t agree more. I have never seen ________ better one.
A. a; the B. /; a C. a；a D. /; the
23. No sooner ________ “Please, sir, I wanted more” than ______ him on the head with the soup spoon.
A. did the boy speak; did the warden hit B. the boy had spoken; the warden had hit
C. the boy spoke; had the warden hit D. had the boy spoken; the warden hit
