题目内容
People in that country use spoons or chopsticks to eat. And it is impolite to use both of them ___.
A. at that time B. at the same time
C. for the first time D. from time to time
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题目内容
People in that country use spoons or chopsticks to eat. And it is impolite to use both of them ___.
A. at that time B. at the same time
C. for the first time D. from time to time