Choose the correct verb form. Identify the reason for the use of each tense.1 That's the phone. I will answer/am answering it.2 I think he is going to be/will be happier there.3 Now that I've got some money I will be buying/am going to buy a new PC.4 Will you work/Are you working tomorrow?5 This time next week we are travelling/will betravelling to Chile.6 Sorry! I won't/am not going lie again.7 Ulan is wearing his T-shirt, shorts and trainers. Hewill be playing/is going to play football.​

1. When were books first printed? Were books first printed in the 15th century?
2. What did printers start printing in 3 countries at the same time? Did printers start printing books in 3 countries at the same time?
3. Who can read books on CDs these days? Can anyone read books on CDs these days?
4. When did Columbus discover America?
Did Columbus discover America 5 centuries ago?
5. Who provides us with success to any library of the world?Does Internet provides us with success to any library of the world?
6. When people living in 1 part of the world know...? Did people living in 1 part of the world know...?
7. Само предложение My brother is 19. How old is your brother? Is your brother 19 years old?