UNIT 9, 9C Listening, Intentions of the speaker, page 99
Exercise 2
1 to warn
2 to complain
3 to recommend
4 to welcome
5 to enquire
6 to comfort
A 2
B 6
C 4
Exercise 3
1 b
2 c
3 b
4 c
5 a
6 b
Exercise 4
1 c
2 b
3 a
4 a
5 c
Exercise 5
browse the internet, come up with an idea, get a good deal, lose weight, prescribe drugs, run on biofuel
UNIT 9, 9D Grammar, page 100
Exercise 2
The gadget allows people to take a photo simply by blinking.
You can also send messages and surf the internet.
Exercise 3
a 1
b 3
c 2
d 6
e 5
f 4
Present perfect affirmative billions of photos have been uploaded to social networking sites; Wearable gadgets have recently been developed …
Present perfect negative They haven’t been replaced yet …; … we haven’t even thought of
Exercise 4
1 will be grown
2 will be connected
3 will be assisted
4 will be worn
5 will be driven; won’t be needed
6 will … be watched
Exercise 5
1 will be controlled
2 will … be connected
3 will be spoken
4 will be driven
5 will be bought and sold
6 will be built
Exercise 7
2 have been sold
3 have been uploaded
4 have been shared
5 have been watched
Exercise 8
2 Have you ever been punished for something you didn’t do?
3 Have you ever been involved in an accident?
4 Have you ever been hurt while doing sport?
5 Have you ever been criticised by a good friend?
6 Have you ever been stung by a bee?