She (A) asked why (B) did Mathew look so (C) embarrassing when he (D) saw Carole

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

A. asked why

B. did Mathew look 

C. embarrassing

D. saw

* Đáp án

* Hướng dẫn giải

B

B “did Mathew look” => “Mathew looked” vì why ở đây không phải câu hỏi mà là mệnh đề phụ

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