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  • 更新 2023-03-16
  • 科目 英语
  • 题型 选择题
  • 难度 中等
  • 浏览 39

Using public chopsticks ______ necessary when eating with others.

That’s right.

A.

is

B.

are

C.

was

D.

were

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—Usingpublicchopsticksnecessar