If you don't try harder, you will get bad marks. → Unless_________________________________________________________.
If you don't try harder, you will get bad marks.
→ Unless_________________________________________________________.
If you don't try harder, you will get bad marks.
→ Unless_________________________________________________________.Đáp án đúng là: Unless you try harder, you will get bad marks.
Giải thích: Unless = If...not: nếu..không
Dịch: Nếu bạn không cố gắng, bạn sẽ bị điểm kém.