B
9) Make sure you switched off al the lights when you leave.
10) Turn the music up please, i can't hear it very well.
11) You have to turn the TV down, it is much too loud.
12) I use email to keep in touch with my friend in other countries.
13) You've been online all day so you should get off the internet now.
14) I was chatting on the phone to my mum when I received a text from her!
15) I'll send you the article in an attachment, so check you'r email and you'll see it.
C
16) digital
17) free
18) multimedia
19) afterwards
20) nearly
21) main
22) really
23) actually