21. Here came word he got the first in the competition .
A. a; that B. /; that C. a; which D. /; which
22. It is so wet there that the trees are extremely tall, some ________ over 90 meters.
A. measure B. measures C. measuring D. measured
23. The job required did it careful and brave enough.
A. who; is B. whom; was C. whomever; were D. whoever; be
