—They are quiet,aren't they? —Yes.They a
题型:选择题
问题:
—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
—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