The team was required to _________ a solution(解决方案) to the problem by the end of this month.
A. give out
B. hand out
C. find out
D. figure out
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The 20th century is _________ for its inventions (发明).
A. marked
B. remarked
C. remarkable
D. remarkably
Mrs. Valentine likes her teaching job very much and she considers teaching a(n) _________ career(职业).
A. shameful
B. humiliating
C. immoral
D. worthwhile
Mike put a grape(葡萄)into his mouth and then _________ it whole.
A. lick
B. sip
C. suck
D. swallowed
Blue whales are the largest _________ ever to have lived.
A. fish
B. creatures
C. primates
D. siren