a) Match the words on the left with the words on the right to get the right phrases from tasks 2 - 4.
1 to top us ◻ of charge
2 to boost ◻ learning
3 to facilitate ◻ cell phone
4 free ◻ self-confidence
5 long-lasting ◻ problems
6 to share ◻ content
7 harmful ◻ restrictions
8 legal ◻ frienship

b) Check the meaning of these phrases.