Complete the following sentences, using the past simple or present perfect tense

Complete the following sentences, using the past simple or present perfect tense.
1. John (read) the letter from Mary already.
2. I have not (see) my brother yet.
3. The Greens (be) to many countries in the world so far.
4. I am not hungry now. I (eat) breakfast twenty minutes ago.
5. When I was a child, my grandmother (tell) me fairy tale everyday.