Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

The boy felt very proud_____ his success at school.

A. on

B. at

C. about

D. of

Đáp án
D. of

Câu hỏi thuộc Bài tập:

E9- Vào 10- Đề ôn 26