This is the first time I've been a taxi driver.<br />I'm very nervous.<br />Don't worry. I can give you some advice.<br />I'm an experienced taxi driver.<br />I began to drive a taxi five years ago.<br />This is the first time I've been a taxi driver.<br />I'm very nervous.<br />Don't worry. I can give you some advice.<br />I'm an experienced taxi driver.<br />I began to drive a taxi five years ago.
A . For four years.B . For five years.C . For six years.