21. The driver was at ___ loss when ____ word came that he was forbidden to drive for speeding.
A. /;the B. a; the C. /; / D. a; /
22. He is the only one of the top students who ____ admitted to Peking University.
A. was B. were C. have been D. has been
23. Cheer up, dear! You can also enjoy ____ you have been dreaming of, if you don’t lose heart.
A. as a convenient life as B. as convenient a life as
C. as a life convenient as D. convenient as a life as