Match the sentence halves.

0 Before take-off, please activate
1 Don't open that
2 I haven't got any network
3. It's already Friday and I haven't posted
4 If you can't go to the shops, go
5 To open that file, you need to install





a message on my blog yet.
b coverage, so I can't make a call.
c this program first
d flight mode on your mobile devices.
.
e attachment. It could have a virus.
online and buy it​