Chọn đáp án và giải thích hộ em tiếp với nhé!
14. The teacher said Columbus _________America in 1942.
A. discovered B. had discovered C. was discovering D. would discover
15. John said he _________ her since they ________ school.
A. hasn’t met – left B. hadn’t met – had left C. hadn’t met left D. didn’t meet – has left
Loga
Sinh Học lớp 12
