n. a type of hard hat that protects the head, worn, for example, by a police officer, a soldier or a person playing some sports
A. hatred
B. gallon
C. helmet
D. infant
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n. the feeling of being grateful and wanting to express your thanks
A. grain
B. gratitude
C. gravity
D. framework
adj. having the form of gas; also, lacking substance or solidity
A. ignorant
B. humble
C. hostile
D. gaseous
n. a very strong feeling of dislike for sb/sth
A. hatred
B. helmet
C. gauge
D. hedge
n. the thin white layer of ice that forms when the temperature drops below 0'C;
A. heir
B. hare
C. frost
D. governor