A waitress served us. She was very impolite and impatient. A waitress who served

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Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

A waitress served us. She was very impolite and impatient.

A waitress who served us , was very impolite and impatient.

A waitress which served us., was very impolite and impatient.

A waitress who served us was very impolite and impatient.

A waitress whom served us , was very impolite and impatient.

Giải thích

Đáp án C

“who” là mệnh đề quan hệ, thay thế cho danh từ A waitress

Câu A không đúng vì thiếu mất 1 dấu “,”. Câu A nên sửa thành “A waitress, who served us , was very impolite and impatient.”