do at the Magic Library? 5 What helps people when they read? 3) поставить глаголы в Present Perfect or Past Simple:1 I already (to read) five English books. 2. Mother (to bake) a delicious cake! Sit down at the table and let's eat it! 3. I never (to be) to Greece. 4. When you (to receive) a letter from your friend? 5. Look! What beautiful flowers she (to buy)! 6. They (to travel) along the coast of Africa last year. 7. We (not to see) each other for ages. 8. You ever (to be) to the Niagara Falls? 9. My friend just (to ring) me up from London. 10. We (not to skate) since last winter.

Решение:

1. I already have read five English books. (Present Perfect, т.к. действие произошло в прошлом, но результат важен сейчас)
2. Mother baked a delicious cake! Sit down at the table and let's eat it! (Past Simple, т.к. это законченное действие в прошлом)
3. I never have been to Greece. (Present Perfect, т.к. говорим об опыте, нет конкретного времени)
4. When you received a letter from your friend? (Past Simple, т.к. спрашиваем о конкретном событии в прошлом)
5. Look! What beautiful flowers she has bought! (Present Perfect, т.к. цветы куплены, и мы видим результат)
6. They travelled along the coast of Africa last year. (Past Simple, т.к. указано конкретное время в прошлом - last year)
7. We (not to see) each other for ages.
8. You ever (to be) to the Niagara Falls?
9. My friend just (to ring) me up from London.
10. We (not to skate) since last winter.

Пояснения к пунктам 7-10:

7. We haven't seen each other for ages. (Present Perfect, т.к. 'for ages' указывает на период времени, который продолжается до настоящего момента)

8. Have you ever been to the Niagara Falls? (Present Perfect, т.к. спрашиваем об опыте, без указания конкретного времени)

9. My friend just rang me up from London. (Past Simple, т.к. 'just' здесь указывает на недавнее, но законченное действие в прошлом)

10. We haven't skated since last winter. (Present Perfect, т.к. 'since' указывает на период времени, который начался в прошлом и продолжается до настоящего момента)

Ответ: 1. have read; 2. baked; 3. have been; 4. received; 5. has bought; 6. travelled; 7. haven't seen; 8. Have... been; 9. rang; 10. haven't skated.