问题
选择题
30. ---They are quiet, aren’t they?
---Yes. They are accustomed _____ at meals.
A．to talk
B．to not talk
C．to talking
D．to not talking
答案
答案：D
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30. ---They are quiet, aren’t they?
---Yes. They are accustomed _____ at meals.
A．to talk
B．to not talk
C．to talking
D．to not talking
答案：D