Mrs Black ___ with chopstcks now used to eat used to eating is used to eat is used to eating

题目

Mrs Black ___ with chopstcks now used to eat used to eating is used to eat is used to eating
她们好像已经相互相识了.
_____________ they have known each other

答案

Mrs Black is used to eating with chopstcks now.
It seems that they have known each other.