Regular brushing and flossing are the most important weapons in the form of plaq

游客2023-12-26 22

问题 Regular brushing and flossing are the most important weapons in the form of plaque, the primary cause of cavities.

选项 A、on the formation
B、about the formation
C、for forming
D、against the formation

答案 D

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3306482.html

相关试题推荐

随机试题

最新回复(0)

It’salsoimportanttostrengthenourcommunitiesbyunleashingthecompassiono