John congratulated us to our excellent results although we didn’t know each other

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. to 

B. excellent 

C. although

D. each other

* Đáp án

A

* Hướng dẫn giải

Chọn A

“to”-> “on”. Cấu trúc “congratulate sb on st/doing st”: chúc mừng ai về cái gì/làm cái gì

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