(5)
a-Is Maria goinf swimming this afternoon?—No, she isn't.
b-Does your dad work in a hospital?—Yes, she does.
c-Is Carl having lunch at the moment?—Yes, he is.
d-Are Lucia and Simona studying for the test?—No, they aren't.
e-Do you like your English lessons?—Yes, I do.
(6)
a-saw
b-played
c-Were
d-hadn't
e-Did you go
f-bought
g-was
h-didn't put
(7)
a-was sitting
b-saw
c-was flying
d-was watching
e-crashed
(8)
a-flies
b-listening to
c-will be
d-anywhere
e-should
f-goes
g-rains
h-the tallest
i-could
j-will be
(9)
a-I am going to meet my friends after school.
b-She isn't going to play in the tournament.
c-My parents are going to go a jazz concert.
d-It's not going to rain at the weekend.
e-They are going to learn to drive soon.