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.

Câu hỏi

My mother told me to watch the milk and don't let it boil over.

Đáp án
C. don’t let

Câu hỏi thuộc Bài tập:

E9- Vào 10- Đề ôn 13