GRAMMAR EXERCISEA. 改错1.This is the factory where we visited last week. 2. This is the watch which Tom is looking for it. 3. The person to who you spoke is a student of Grade Two. 4. The house in that we live is very small. 5. The sun gives off light and warmth, that makes it possible for plants to grow.6. It is known to all, the 2008 Olympic Games will be held in Beijing. 7. His dog, that was now very old, became ill and died. 8. The reason which he didnt go to school is that he was
