146.It doesn51 matter where the Student Union get their money. Whatis what they do with it.

54.It is extremely urgent that theyfrom the destroyed building before dark.

53.I would just as soon hethe news to me yesterday.

52.If only Imy four years of college life!

51.If theybefore we leave tomorrow, we should invite all our friends to hold a party to welcomethem.

50.Thank you for your hard work. I don, t think wethe thing without you.

49.But for the favorable weather, wea picnic beside the river.

48.If Ibetter at science, I＇d be a doctor now.

47.If they hadn＇ t spent all the money on the stocks, their lifeso miserable at the moment.

46.Had she worked harder, shethe exams.

45.My mother suggests that wefor a change this weekend.