John didn’t study hard at the university, so he discontinued his education.

44/50

If John studied hard at the university, he wouldn’t discontinued his education.

If John had studied hard at the university, he wouldn’t have discontinued his education.

If John had studied hard at the university, he wouldn’t discontinue his education.

If John has studied hard at the university, he wouldn’t have discontinued his education.

Giải thích

Tạm dịch:

John đã không học chăm chỉ ở trường đại học, vì vậy anh ấy đã bỏ học.

Giải thích:B

Câu đk loại 3