38. I'm looking forward to traveling around the world, but I don't have enough money. → If I ......... 39. They arrive at the hall early so as to meet the singer. →→If they..... 40. They are too old to take part in the social activities. → If they .......... 41. We can't afford to buy the house. → If we.. 42. They had a terrible accident because they drove too fast. →But for..... 43. She advised him to take up tennis. → If she ... 44. When she comes here, can you help me give her the letter? → If she .... 45. Will you visit me tomorrow? I don't know, it depends on the weather. → If....... 46. I told him to give up smoking. → If I ....... 47. Her knowledge of English is not good enough to be a tourist guide. → If her ... 48. To be a teacher, you have to study harder. →If you...... 49. So far they have read only 10 pages. They won't finish reading the book on Friday. →Unless...... 50. The man threatens to kill the woman if she doesn't tell him anything. → If...... 51. Unless you are studious, I won't take you to Da Lat City. → If you ...... 136