21. I knew ______ John Lennon, but not ______ famous one.
A. 不填;a B. a;the C. 不填;the D. the;a
22. But these records are not made in any ________sport like swimming or soccer.
A. conventional B. special C. usual D. ordinary
23. He hasn’t slept at all for three days._______ he is tired out .
A. There is no point B. There is no need C. It is no wonder D. It is no way