Mark is an artist, so these economic terms are not ________ to him.
A. concerned
B. pround
C. familiar
D. necessary
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Although our plane met with a storm, it landed __________ finally.
A. safely
B. probably
C. secretly
D. heavily
The building near my home is ___________ the one in the other street.
A. three times height of
B. three times that of
C. three times the height
D. three times the height of
Anna put the expensive vase on the desk _______ after kowning its real price.
A. carefully
B. gravely
C. critically
D. severely
Despite her old age, my grandma is still _____ about social activities.
A. negative
B. enthusiastic
C. generous
D. engaged