Unit 5: LOOKING BACK
PRONUNCIATION
1.These words below are compound nouns or noun phrases. Put them in the correct columns according to their stress patterns.

Food processor
Solar charger
laptop
earbuds
Washing machine
smartphone
Correction pen
Digital camera
runway
vocabulary
Complete the sentences using the words given in the box.Make changes where necessary
1. economical
2. inventions
3. portable
4. benefits
5. Expensive
Grammar
1.
1.Is
2.haven’t planned
3.have wasted
4.don’t have
5.haven’t started
6.says



2.Answer the questions
1.A washing machine is used for washing clothes.
2.A solar charger can be used for charging mobile devices.
3.I use a laptop (smartphone, ipad …..) to listen to music and watch videos.
4.A correction pen is used for covering a writing error.
5.I use a 3-D printer to produce/ make solid objects.