Be careful or you will make that mistake again.

A. If you aren’t careful, you will make that mistake again.

B. If you are careful, you will make that mistake again.

C. If you aren’t careful, you will not make that mistake again.

D. If you weren’t careful, you would make that mistake again.

Đáp án
A. If you aren’t careful, you will make that mistake again.

Câu hỏi thuộc Bài tập:

Luyện tập câu điều kiện loại 1 và loại 2