Read and choose the correct variant.
They’re very good students, they always ____________________ their homework.
do
to do
are doing
have done
What are you doing? — I ___________________________ an essay.
to write
am writing
write
have written
I wanted to visit you yesterday, but you _____________ not at home.
be
were
are
was
I ____________________________ many interesting things about Disneyland Paris.
hear
am hearing
have heard
had heard
He never ___________________ to work, he always drives.
walk
has walked
walks
walked
Today I ___________________________ a letter from my pen friend who lives in Prague.
get
had got
has got
have got
