Complete the sentences with the expressions in the box. There is one extra expression.

switch on
hang up
switch off
take many photos
check out
watch videos
charge the battery

0. Lee switches on his computer as soon as he arrives at work.
1. I don’t need a charger for my smartphone – I can _______________________ on my laptop.
2. I love Saturdays – I can _______________________on You Tube all day!
3. My parents usually _______________________ their tablets and e-readers before they go to bed.
4. Karl didn’t _______________________ his friends’ posts on his Facebook page yesterday.
5. Did you_______________________ of the city when you were on your holiday in New York?