A．The importance of language proficiency．
B．The job of an interpreter．
C．The stress felt by professionals．
D．The best Way to effective communication．

A．Admirable．
B．Promising．
C．Meaningful．
D．Rewarding．

A．They have all passed language proficiency tests．
B．They have all studied cross．cultural differences．
C．They all have a strong interest in language．
D．They all have professional qualifications．