UNIT 5, 5E Word Skills, Adjective + preposition, page 57
There is no evidence apart from his father’s concern.
We do not know how much time he spent playing them, and perhaps he just had difficulty finding a job.
addicted to, angry with, aware of, curious about, familiar with, good at, harmful to, shocked at, unhappy with, worried about
to and in;
The choice depends on the meaning.
UNIT 5, 5F Reading, Clever machines, page 58-59
A is the computer and
B is the human
2 d; even then scientists believed that one day machines would be able to ‘think’ and that they would probably be as intelligent as humans.
3 It doesn’t contain any of the same words as the answer.
4 Around the middle of the last century = Fifty or sixty years ago; in the future = one day; computers = machines; people = humans; be equally clever = be as intelligent as have downloaded; could have gone
1 pass a test
2 break a code
3 come up with an answer
4 have a conversation
5 exchange messages
6 enter a competition
7 win a prize
8 search a website