I shall turn ____ our teachers when I’m in trouble.

Tom is ____ English teacher. He has ____ new bike. He likes ____ bike very much.

(2014·天水一中高三检测)After many years of hard work，the man has finally reached the stage________he has gained good fortune and social status.

Good afternoon, John!— _____________.

By making friends with the native speakers, one can _________ a lot of their language.