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

31/64

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.

John congratulated us to (A) our excellent (B) results although (C) we didn’t know each other (D) very well.

excellent

although

each other

Giải thích

Chọn A

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