At present,_____ number of students are near-sighted and, what’s worse, _____number of them is increasing.
A.a; the | B.a; a | C.the; the | D.the; a |
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At present,_____ number of students are near-sighted and, what’s worse, _____number of them is increasing.
A.a; the | B.a; a | C.the; the | D.the; a |