例: It is about one hundred and twenty kilometres from A to B. 1. It is about ___________ ___________ ___________ ___________ kilometres from B to C. 2. It is about ___________ ___________ ___________ ___________ kilometres from A to C. 3. It is ___________ ___________ ___________ kilometres from A to D. 4. It is ___________ ___________ ___________ kilometres from A to E.