Key: Possible sentences/questions, working clockwise
around the board:
We should recycle our trash.
Could people use the Internet in
19
60? No, they couldn’t.
People couldn’t buy e-books in
19
70.
What should we do to save forests?We should use
less paper.
We shouldn’t cut down a lot of trees.
Could your grandparents read newspapers when they
were young? Yes, they could.
People could use dictionaries in
199
0.
What should we do to reduce waste? We should
recycle more.
We should collect rainwater to water plants.
Could people play online games in
19
80? No, they
couldn’t.
People couldn’t send emails in
19
50.
What should we do to save paper? We should use
both sides.
We shouldn’t use a lot of gas.
Workbook page 65 3 Read and match the questions and answers. •
Students match the questions and statements with
the responses.
Key: 2 c
3 f
4 e
5 a
6 b
4 Answer the questions about you. •
Students answer the questions with information about
themselves and their family.
Ending the lesson •
Play
Choose and answer (see page xiv) with the word
cards. Example questions:
How often do you read a newspaper? What’s an encyclopedia? Could people write letters in 19
70? Do you like playing online games? What’s solar energy? What should we do to save water? Should we throw away glass bottles? Extra activities: see page TB
119
(if time)
TB7
