He was not ( ) enough to admit his mistake.
A. man
B. manly
C. mannish
D. mankind
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Remember your ( ); thank your friend when you leave the party.
A. action
B. polite
C. manner
D. manners
These artistic handicrafts are very ( ) foreign friends.
A. popular
B. popular with
C. popular to
D. popular in
Cities are more ( ) than rural areas and still increase in size.
A. popular
B. pop
C. populous
D. popularity
The director ordered that the gate and windows ( ) firmly before leaving the office.
A. shall be closed
B. be closed
C. ought to be closed
D. must be closed