Years ago there were many social rules and etiquette procedures

Câu hỏi :

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks

A.that

B.who

C.whose

D.which

* Đáp án

* Hướng dẫn giải

Đáp án là D. Which/ What + N ( person ): ... .(người) nào

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