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--What is that on the table?  --Oh, a set of ___________ on the table.
#43644
A
key is
B
keys are
C
keys is
D
key are
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Eating vegetables and fruits _________ a good habit.
#43694
A
are
B
is
C
is to be
D
will be
The glass works _____ in 1959.
#86128
A
weresetup
B
wassetup
C
wereputup
D
werebuilt
 There ____ a desk, two beds and four chairs in the room
#86173
A
is　
B
are　
C
has　
D
have
 All of the flowers now raised here have developed from those _______ in the forest.
#86237
A
once they grew
B
they grew once
C
they once grew
D
once grew
When  ______  the United Nations founded?
#86067
A
is
B
are
C
was
D
were