The air quality in the city,________ is shown in the report,has improved over the past two months.(2012·福建,23)
A.that | B.it | C.as | D.what |
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The air quality in the city,________ is shown in the report,has improved over the past two months.(2012·福建,23)
A.that | B.it | C.as | D.what |
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