They …………….. personal computerswhen my father was a student.
A. hadn’t
B. didn’t have
C. weren’t having
Câu trả lời là: B là đáp án đúng
Công thức nguyên hàm và tích phân
They …………….. personal computerswhen my father was a student.
A. hadn’t
B. didn’t have
C. weren’t having
Câu trả lời là: B là đáp án đúng