21. Professor Brown wants an assistant with ______ knowledge of French and ______ experience of office routine.
A. the; the B. the; / C. /; an D. a; the
22. Mr Zhang feels it ______ that he has been misunderstood when he helped the old woman.
A. unbearable B. bored C. unaccompanied D. unaccustomed
23. Intelligence doesn’t ______ mean success. You still need to work hard.
A. honestly B. formally C. simply D. necessarily
