Use appropriate sentence connectors in the blank spaces of the following passage: — It was the night before my math exam in the 2nd semester. I could not do better in the math exam of 1st semester. (a) —, I was really serious about the exam. (b) —, I was careful enough not to spend a single moment in vain. But, the night did not pass smoothly at all. (c) —, it was full of mishaps. (d) —, the electricity went out. I waited for it for about an hour, however, there was no sign of its coming. (e) —, I lighted a candle and began to study again. The flickering light of the candle was creating problems for me. Soon, I began to feel a bad headache. I really wanted to get rid of it. (f) —, I left my reading room and stood in the balcony for some time. I began to feel better, but could not stay there for long. (g) —, I left the place. (h) —, I went to my reading room again. (i) —, to add to my gladness the electricity came. I could finish my study within two hours. (j) —, I went to bed with a happy mind.