19 Complete the sentences with words from Ex. 18.
My parents gave me a
_smartphone for my birthday!
(opinion) (age)
2 A microwave is usually a
_machine that helps us cook food faster.
(size) (material)
When I'm sick, Mum checks my temperature with a
digital
thermometer
(size) (material)
Assel used a(n)
calculator to do her homework.
(age) (colour)
