

Combine sentence using: giới từ + whom/which
1. My sister has 2 daughters. I often have to look after them.
2. This is the book. I'm looking for it.
3. The boy fell in love with the girl. She left him after a few weeks
1. My sister has 2 daughters. I often have to look after them.
2. This is the book. I'm looking for it.
3. The boy fell in love with the girl. She left him after a few weeks