27) ____ in large quantities in the Middle East, oil became known as black gold because of the large profit it
brought.
A. Discovering B. Discovered C. Which was discovered D. That when discovered
Bạn đang xem 27) - ĐỀ KIỂM TRA 45 PHÚT MÔN TIẾNG ANH LỚP 11 LẦN 4 TIẾNG ANH LỚP 11 ÔN LUYỆN
