14. Complete the following sentences with phrases or expressions chosen from the passage. Change the form where necessary.
1. Such highly paid jobs are for someone with no qualifications. 2. Much of his success comes from being what his customers think. 3. You could be a very good tennis player if you it. 4. The label had ,so there was no way of knowing what was in the tube. 5. There's no instant way of finding a cure—it's just a process of .
Anwser: 1. out of reach 2. in tune with 3. set your mind to 4. come off 5. trail and error