English Wizard১টি পরীক্ষায় এসেছেপ্রশ্ন ১১People say that industry is the key to success. (Make it passive)কক) It is said by the people that industry is the key to success.খখ) It is said that industry is the key to success.গগ) It was said by the people that industry is the key to success.ঘঘ) It was said that industry is the key to success.উত্তর দেখুন