2.We'll never forget the man who made such a(n) ______________ contribution to medical science.
A. mere
B. much
C. individual
D. unique
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3.Unless my room is warmer tonight, I'm going to _______________ to the hotel manager.
A. regret
B. argue
C. pretend
D. complain
All of the flowers raised here have developed from those __________________ in the forest.
A. once they grew
B. they grew once
C. that once grew
D. once grew
7. This material has been kept at ____________ high pressure for a long time.
A. relatively
B. respectively
C. roughly
D. readily
The patient's health failed to such an extent that he was put in ________________ care.
A. tense
B. tight
C. loose
D. intensive