adj. lacking knowledge or information about sth; not educated
A. infinite
B. honourable
C. ignorant
D. horizontal
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v. to separate sb/sth physically or socially from other people or things
A. inquire
B. infect
C. freeze
D. isolate
n. an instrument for measuring the amount or level of sth; v. to measure sth accurately using a special instrument
A. ghost
B. graph
C. hedge
D. gauge
v. to see sb/sth for a moment, but not very clearly; n. a look at sb/sth for a very short time, when you do not see the person or thing completely
A. gravity
B. glimpse
C. harbour
D. genius
adj. very unfriendly or aggressive and ready to argue or fight;
A. infinite
B. hostile
C. honourable
D. greedy