-We had _______really smoggy December this year.
-I can’t remember _____ winter when air was polluted so severely.
A.a; / | B.a; the |
C.a; a | D.the; the |
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-We had _______really smoggy December this year.
-I can’t remember _____ winter when air was polluted so severely.
A.a; / | B.a; the |
C.a; a | D.the; the |