Відповіді: Стр.55 (3)

3. Make your own three sentences in the Past Simple and another three in the Present Perfect with the words in the box.

1. I called my grandmother yesterday.

2. I caught a bus two hours ago.

3. I wrote a letter to my pen friend one week ago.

4. I have not studied Chemistry yet.

5. I have just taken a book from the library.

6. We have already sung this song.