HÃY CHỌN MỘT CÂU TRẢ LỜI ĐÚNG NHẤT

Question

14. _______ these lessons carefully or you won't understand the information on the test. A. If you read B. When you read C. Unless you read D. Read

Answer

14. _______ these lessons carefully or you won't understand the information on the test. A. If you read B. When you read C. Unless you read D. Read