Receding gums is often the result of hard tooth brushing.
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A．She doesn't like standing so close.B．She can't hear clearly.C．She can't watch televi
A. She doesn't like standing so close.
B. She can't hear clearly.
C. She can't watch television clearly.
D. She was hurt by the light.
Contaminated toothbrushes have been already shown to transmit viruses and bacteria.
A. Y
B. N
C. NG
A．She goes home for lunch.B．She spends her time shopping.C．She gets interested in what
A. She goes home for lunch.
B. She spends her time shopping.
C. She gets interested in what she is reading.
D. She doesn't wake up in time.
A．The back of his dictionary fell apart when he dropped it.B．He had read the novel wit
A. The back of his dictionary fell apart when he dropped it.
B. He had read the novel without help in the fall.
C. He needed to look up some words to comprehend the novel.
D. His French teacher helped him with the vocabulary.
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