8. We are lost. We must
ask somebody.
9. Notice at the railway station: "Passengers must cross the line by the footbridge.
10. Tell her that she must be here by six. I insist on it.
8. We are lost. We must
ask somebody.
9. Notice at the railway station: "Passengers must cross the line by the footbridge.
10. Tell her that she must be here by six. I insist on it.