Here you have the answers for the Workbook page 11 exercises:
Exercise 1:
1. S
2. C
3. S
4. C
5. C
Exercise 2:
1. already
2. still
3.yet
4. still
5. already
Exercise 3:
1. How long have you been learning English?
2. How long have you hated carrots?
3. How long has there been a farm here?
4. How long has she been talking on the phone?
5. How long has she been doing judo?
Exercise 4:
1. The charity has been helping elderly people since 1974.
2. We have had our car for three years.
3. I haven't eaten anything since lunchtime.
4. She has been travelling around Europe since May.
5. We have been living here for a few years.
Exercise 5:
1. 've been
2. 've been watching
3. 've had
4. 've read
5. 've been living
