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【Weuse__or___beforewhenwementionthemforthefirsttime.Weuse__whenwementionthemagainA.the;a;anB./;a;theC.a;/;anD.a;an;the】
题目内容：
We use__or___before when we mention them for the first time.We use __when we mention them again
A.the;a;an B./;a;the C.a;/;an D.a;an;the优质解答
D（前面的意思是泛指,后面是指特指）
A.the;a;an B./;a;the C.a;/;an D.a;an;the
优质解答
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