Brushing removes larger particles, but dentists suggest brushing the back of the tongue as well, where food residues and bacteri

admin2006-06-06  46

问题 Brushing removes larger particles, but dentists suggest brushing the back of the tongue as well, where food residues and bacteria ______.

选项 A、flourish
B、collaborate
C、embark
D、congregate

答案D

解析
转载请注明原文地址:https://kaotiyun.com/show/2DIO777K
0

最新回复(0)