The number of students in our school ____about 30,000 and ______them study hard.
#85877
A
is; a large amount of
B
are ; a number of
C
are ; large amount of
D
is ; a large number of
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In my pencilbox, ______ a pen, two pencils and three rulers.
#44189
A
there be
B
there are
C
there is
D
it has
Every possible means ______ to prevent the air pollution, but the sky is still not clear.
#86302
A
is used
B
are used
C
has been used
D
have been used
The boy sitting by the window is the only one of the students who _______ from the countryside in our school.
#86115
A
are
B
is
C
were
D
was