Our school has a big library. There are about ten        books in it.
#51557
A
thousand
B
thousands
C
thousand of
D
thousands of
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There are about 46 ______ people in this country.
#51775
A
million
B
millions
C
million of
D
millions of
This is         trip to Beijing. I hope we’ll enjoy the trip.
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A
our first
B
our the first
C
the our first
D
first our
In our city, _______ middle school students want to work as a teacher in the future.
#51886
A
thousand
B
thousand of
C
thousands of
D
two thousand of