Many a student ______ the importance of learning a foreign language.
A. have realized
B. has realize
C. have been realized
D. has been realized
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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
Thepublic ______ generous in their contributions to the earthquake victims.
A. is
B. was
C. are
D. has been
Cattle ______ on the hillside.
A. grazes
B. is grazing
C. was grazing
D. were grazing