Grammar Quiz 20 1. We don’t know the person _____ donated this money. who whose which 2. This is the house _____ John built. who whose which 3. That is the girl _____ notes I borrowed. who whose which 4. The people _____ I spoke to were very helpful. which that 5. Our new car, _____ we bought last month, seats five people. which that Time's up Grammar Course Grammar Quizzes Other Quizzes