3. about seven
4. male
5. mobile phone
6. two men
7. five minutes
7.
1. b; 2. A; 3. A; 4. B; 5. D
Unit 4.
Inside view
1.
1. story A, 3
2. story B, 1
3. story B, 3
4. story A, 2
5. story A, 1
6. Story B, 2
2,
1.front
2.several
3. did not realize
4. the thief