Hamburgers …………………. favorite in America in the early century.
A. became
B. becomes
C. has become
D. was become
Câu trả lời là: A là đáp án đúng
Công thức nguyên hàm và tích phân
Hamburgers …………………. favorite in America in the early century.
A. became
B. becomes
C. has become
D. was become
Câu trả lời là: A là đáp án đúng