15.Displaying feelings, at one point, _______ expressing those feeling through a facial reaction.
A. is meant
B. mean
C. are meant
D. means
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16.The police _______ determined to bring back the missing boy when his family _____ almost given up all hope.
A. is; has
B. are; have
C. are; has
D. is; have
17.Every possible means _________ tried but without much result.
A. is
B. are
C. has been
D. have been
18.His family ______ a big one. Now the family _______ watching TV.
A. is; is
B. are; are
C. is; are
D. are; is
19. The League secretary and monitor _______ asked to make a speech at the meeting.
A. has
B. have
C. are
D. is