( )1. Andy has _______ for five years. Five years _________ a long time .
A. come back home, is B. come back home, are
C. been at home, is D. been at home, are
( )2. Her son speaks good English as he ________ America for five years.
A. has been in B. has been to
C. has gone at D. has gone to
( )3. A: I'm sorry to have kept you waiting.
B: Oh, not at all. I ______ here for only a few minutes.
A. will be B. was C. am D. have been
