5.
a) How do you go to work?
b. What kind of car did he buy?
c. What film is she watching?
d. Where did you see Bill?
e. Why has he left the party
f. Where are they going on holiday?
g. Why doesn't he work?
6.
a. in
b. from
c. about
d. in
e. of
f. on
g. at
h. than
I. than
7.
a. more difficult
b. worse
c. oldest
d. most expensive
e. younger
f. good
g. best
h. fastest
I. bigger