1 Complete the sentences from the listening with the correct phrase .
1 If you travel / will travel this month , you'll/you get an extra 20 % discount.
2. If you will go / go up the tower , you won't/don't regret it.
3.We'll / We go there later if you will want /want
4. If you buy / will buy two , sh e will give /gives you a bi g discount
2 What is the difference between these sentences?
a) If I go to London , I'll buy an English guidebook,
b) If I go to London , I might buy an English guidebook .
c) If I go to London , I can buy an English guidebook