Complete sentences 1-5 using a word or phrase from the box

Complete sentences 1-5 using a word or phrase from the box
Word: "am going to pass", " are going to catch ", " get", "had spent", " promise get down to", "should leave", " will gladly lend", "would still have buy"
1) if you ... a packet of sparkle detergent, you.... another one absolutely free.
2) if I... lеss last week, I... enough money to go out tonight.
3) if you... it before Saturday, I... you the money
4) if you... the early train, you... as soon as possible.
5) If I... my exams, I... some serious studying immediately