215、Universal serial bus

55、Now, I do not for a moment () to speak poorly of business; my whole point is that it was just notfor me

54、Try to () every opportunity to practice English

53、If I had stayed in business, I () be a really wealthy man today.

52、take apart是

51、catering business是.

50、My first real long-term job, though,

49、首席执行官是

48、To local historians,

47、When talking about symbols of American culture?

46、turn () do be