If I had worked harder, I would have passed the exam. A. I passed the exam because I worked harder than others. B. As I did not work hard enough, I did not pass the exam. C. Although I worked
If I had worked harder, I would have passed the exam.
A. I passed the exam because I worked harder than others.
B. As I did not work hard enough, I did not pass the exam.
C. Although I worked very hard, I did not pass the exam.
D. Jack has investigated for days, suspected to have stolen credit cards.