Find the correct sentence in each pair.
a A I’m tired because I’ve trained for the marathon since six o’clock.
B I’m tired because I’ve been training for the marathon since six o’clock.
b A I’m sorry. Jill’s not here. She’s been out.
B I’m sorry. Jill’s not here. She’s gone out.
c A Sidney never met his father. He died just before he was born.
B Sidney has never met his father. He died just before he was born.
d A Finally we found the shop but it had already closed.
B Finally we found the shop but it already closed.
e A It was a hot summer’s day and the birds sang.
B It was a hot summer’s day and the birds were singing.
f A Did you pay the gas bill last month?
B Have you paid the gas bill last month?
g A I was playing the piano till I was twenty, then I gave it up.
B I played the piano till I was twenty, then I gave it up.
h A Tara didn’t believe a word Henry said.
B Tara wasn’t believing a word Henry said.
i A I was sure I’d met James before.
B I was sure I met James before.