One or perhaps more pages _______.
A. is missing
B. has been missed
C. are missing
D. was missing
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More than one worker ______ dismissed.
A. have been
B. are
C. has been
D. has
Many a student ______ the importance of learning a foreign language.
A. have realized
B. has realize
C. have been realized
D. has been realized
The gas works ______ near the city.
A. is
B. are
C. were
D. be
The surroundings of his house ______ clean now.
A. is
B. are
C. was
D. were