You can’t see things clearly through a telescope unless it is _____ correctly to your sight.
#13792
A
adjusted
B
examined
C
checked
D
tested
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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