21. With _______ beautiful smile on her face, Wang Anni proudly stepped off the special Olympic plane called “______ Journey of Harmony” early this month.

A. a; The                 B. a; /                            C. the; A               D. /; The

22. —Father, you promised!

—Well, _______. But it was you who didn’t keep your ______ first.

A. so was I; word      B. so did I; words  C. so I was; words  D. so I did; word

23. When _____ help, one often says “ Thank you” or “It’s kind of you”.

A. offering           B. to offer        C. to be offered    D. offered