14. Mary is one of the girls who ________ always on time.
A. is
B. am
C. are
D. was
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15. No one except two students ________ the meeting.
A. has been late for
B. have been late for
C. was late for
D. were late for
16. Nobody but Jack and Jane ___________ made great progress in the class recently.
A. have
B. has
C. had
D. has been
17. Either the teachers or the pesident _________ the meeting.
A. attends
B. attend
C. are attending
D. have attended
18. The number of articles published on smoking ________ amazing.
A. is
B. are
C. were
D. have been
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