If you really want to keep your teeth clean and cavity-free, you have to use tooth .
Question 1:
If you really want to keep your teeth clean and cavity-free, you have to use tooth ....... on your toothbrush. This*^*is a gloppy, creamy substance that is usually squished out of a tube and put onto a toothbrush.
A.stick
B.paste
C.stuff
D.bond
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