adj. flat and level; going across and parallel to the ground rather than going up and down;
A. innocent
B. inefficient
C. ignorant
D. horizontal
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v. to promise to do sth; to promise sth will happen; n.a firm promise that you will do sth or that sth will happen
A. gunpowder
B. guarantee
C. governor
D. hydrogen
v.to stop; to make sb/sth stop; n.an act of stopping the movement or progress of sb/st
A. halt
B. frost
C. grant
D. hare
n. a planned drawing, consisting of a line or lines, showing how two or more sets of numbers are related to each other
A. grant
B. germ
C. hedge
D. graph
n. a natural tendency for people and animals to behave in a particular way using the knowledge and abilities that they were born with rather than thought or training
A. fountain
B. instinct
C. gasoline
D. frontier