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is; is are; is are; are is ; are
is; a large amount of are ; a number of are ; large amount of is ; a large number of
The number of, is The number of, are A.number of, is A.number of, are
is;a large amount of are;a number of is;large amount of is;a large number of
student, is the students, are the students, is students, are
The number of; is The number of; are A.number of; is A.number of; are
The，is A.，are The，are A.，is
A.number of The number of A.lot of Many of
is, are is, is are, is are, are
is; a large amount of are; large amount of are; a number of is；a large number of
The number of; is The number of; are A.number of; is A number of; are
is, are is, is are, is are, are
is the number, a number are are numbers, the number is is a number, the number are are the number, a number are
The number of；is The number of；are A.number of；is A.number of；are
student ;is the students; are the students ;is students ;are
The number of; the number of A.number of ; the number of The number of; a number of A.number of; a umber of
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