my experience as an english learner

CARLOS HAD _____(LIVE) ABROAD FOR MANY YAERS BEFORE ______(RETURN) TO HIS COUNTRY TO HELP WITH THE FAMIILY BUSINESS

I HAD BEEN ____(WAIT)FOR HOURS WHEN SOMEONE FINALLY ______(CAME) TO TALK TO ME

I _____(BE) EXHAUSTED AFTER MY PROFICIENCY EXAMINATION. I HAD BEEN ______(STUDY)FOR IT FOR SIX MONTHS NON-STOP

SPENDING THOSE TWO WEEKS IN LONDON ____(BE) A LIFE-CHANGING EXPERIENCE FOR ME,SPECIALLY BECAUSE I HAD NEVER _____(BE) ABROAD BEFORE

I HAD BEEN ________(TEACH) PRIVATE CLASSES FOR A COUPLE OF YEARS WHEN IT ______(BECAME) CLEAR TO ME THAT MY METHOD WAS VERY INEFFICIENT

WHEN I _____(HAVE) MY FIRST CHANCE TO SPEAK WITH SOMEBODY FROM ANOTHER COUNTRYI HAD ALREADY _______(REACH)THE INTERMEDIATE LEVEL IN MY ENGLISH COURSE

I HADN'T _______(LEARN) ANY ENGLISH BEFORE I ______(MOVE) TO THE US