Fill in: between, for, with, about, of or on. Use the phrases to make sentences of your own.
1. These days there is a great demand ..... mobile phones.
2. Simon sometimes has difficulty ....... his Maths homework.
3. If it is a choice ...... seeing my friends or surfing the Net, I would rather see my friends.
4. Mr Peters is an expert .... computer systems - he can fix any problem.
5. We had a discussion ..... the internet in class today.
6. Do you know the difference ... a portable stereo and a personal stereo?
7. One disadvantage ....... mobile phones is that people can call you at inconvenient times.
8. Sam and David set up a connection .... their two computers so that they could share files.