n. a hot bright stream of burning gas that comes from sth. that is on fire;
A. fleet
B. flame
C. fatigue
D. fluid
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n. the time at the end of the day just before dark
A. dusk
B. flame
C. feast
D. edge
n. a group of military ships commanded by the same person
A. feast
B. fleet
C. fluid
D. elevator
adj. equal in value, amount, meaning, importance, etc. ;n. a thing, amount, word, etc. that is equivalent to sth. else
A. excursion
B. exhibition
C. employment
D. equivalent
adj. able to bend without breaking; able to change or to take in new ideas
A. fertile
B. fundamental
C. flexible
D. elaborate