Question

8.COMPLETE AS FRASES COM OS VERBOS NO PRESENT PERFECT CONTINUOUS: A)JOHN (STUDY) ENGLISH FOR SIX YEARS. b)YOU LOOK TIRED.WHAT (YOU,DO)?
C)CARLA IS SOAKED TO THE SKIN SHE (YOU.DO)?
D)THE ROOM SMELLS TERRIBLE SOMEONE (SMOKE) HERE
E)HOW LONG (YOU,WAIT)OUTSIDE?
F)(HE WORK) ALL DAY TODAY?
G)CHARLES (NOT STUDY) MUCH THAT'S WHY HE DOESN'T KNOW THE ANSWERS TO THE QUESTIONS.​

Answer 1

has been studying
have you been doing?
what has she been doing?
has been smoking
have you been waiting
he has been working
has not been studying