Hoàn thành câu bằng cách thay thế những từ in đậm bằng một đại từ phù hợp:
1. I keep my pet snake in a cage. I keep in a cage.
2. My hair is getting very long. is getting very long.
3. My grandmother knits socks for my grandfather.
knits socks for .
4. George doesn't like sausages.
doesn't like . I lost the ticket, I lost .
6. He gave his mother the flowers. He gave to .
7. I asked John for the money.
I asked for .