Many a student ______ the importance of learning a foreign language.
A. have realized
B. has realized
C. have been realized
D. has been realized
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The gas works____ near the city now.
A. is
B. are
C. was
D. were
Wisky and soda ______ his favorite drink now.
A. is
B. are
C. were
D. have been
I can’t understand this passage _______ there are no new words in it.
A. if
B. because
C. though
D. an
There is air _______ water on the moon.
A. and
B. or
C. so
D. yet