1. Because he loved his grandson very much.

`-` Dẫn chứng: “The old man loved his grandson very much, and sometimes he brought John chocolates…”

2. Because she wanted to make the old man happy.

`-` Dẫn chứng: “Then his mother let him eat them, because she wanted to make the old man happy.”

3. He prayed for a big box of chocolates for his birthday.

`-` Dẫn chứng: “Please, God," he shouted, "make them give me a big box of chocolates for my birthday…”

4. Yes, because John shouted so his grandfather could hear.

`-` Dẫn chứng: “but Grandfather's in the next room, and he can't.” → John shouted so his grandfather could hear.