[img]2012q2/ct_eyyjsdz2006b_eyyjsdreadc_0773_20121[/img] [br] What will happen i

游客2023-10-21 64

问题

[br] What will happen if the plaque on your teeth is not taken away?It will gradually______.

选项

答案 destroy the tissues holding your teeth

解析 (文章第一部分第二行中间提到will destroy the tissues holding your teeth in place。)

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