单项选择 容易0.94 引用1 组卷227
If we want to go on living on ________ earth, we should care about ________ environment.
A./; / | B.the; / | C.the; the | D.an; an |
2020八年级上·甘肃武威·竞赛
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This is ________ orange. ________ orange is ________ orange.
A.an; A; a | B.a; An; a | C.an; The; / | D.an; An; an |
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