21. Most athletes did not win a medal in___race. but they all agree it was___great event.
A. the ;a B. e: the C. a: a D. the；the
22, --Let's go to the theatre mgether, shall we?
--Please make it__day. I'm not quite myself today.
A any B one C. another D. some
23. We then moved to Chicago＿_ue lived for six years.
A, when B. where C. that D. which
