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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1225

—They are quiet, aren't they?
—Yes. They are accustomed __________ at meals.

A.talk B.to not talk
C.to talking D.to not talking
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—Theyarequiet,arentthey?—Yes.T