You can't miss it.Excuse me. I'm looking for the British Museum.Go straight ahead and then turn right. You can't miss it.Can I go on foot?Excuse me. I'd like to go to the Scotch House. Can I go on foot.No that will be too far. You need to take the underground.We can call a taxi for you.A: I need to be at the American Embassy at nine.B: No problem. We can call a taxi for you.I think I'm lost.Are you all right?I think I'm lost! Can you help me?