Ex 5 :
a) trainers
b) slippers
c) trainers
d) high heels
Ex 6 :
a) These socks are getting dirtier and dirtier.
b) And his shirts are more and more ugly.
c) He needs more and more advice.
d) He is more and more often ridiculous.
e) I have to help him more and more.
Ex 4 :