They must be working      because they have a lot of work to do yesterday.
#12501
A
any moment
B
at the moment
C
just a moment
D
the moment
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The farmers needed________agricultural technology. Therefore,      ________skilled workers were sent there.
#14430
A
a great number of, a large amount of
B
large amounts of, the number of
C
a large amount of, a great number of
D
the amount of, a great number of