* Place your toothbrush at a 45-degree angle to the gums.
* Gently move the brush back and forth in short strokes.
* Brush the outer surfaces, the inner surfaces, and the chewing surfaces of the teeth.
The toothbrush (a) ________ at the 45-degree angle to the gums.
It is gently (b) __________ back and forth in short strokes.
Then, the outer, the inner and the chewing surfaces of the teeth (c) __________.
a)
are placed
is placed
was placed
b)
is moved
are moved
moved
c)
brushed
is brushed
are brushed
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Verified answer
Answer:
a) was placed
b) moved
c) brushed.
Explanation: