1. I’m using the pen which he bought it yesterday.
2. Is that factory which your father once worked in?
3. The man whom I spoke is from Canada.
4. July 1,1999 is the day when we’ll never forget
2. Is that factory which your father once worked in?
3. The man whom I spoke is from Canada.
4. July 1,1999 is the day when we’ll never forget