根据首字母提示完成对话。 A: How was your trip to London? B: It was great. London is one of the most exciting places in the w 1 . A: Tell me something about it. Where is London? B: It's in the s 2 of England and it's over the Thames River. A: How do you like people there? B: They are friendly and helpful, but often in a hurry! A: Are there any fun places? B: Yes. People often visit the British Museum, the National Gallery, the Science Museum and so on. A: Wonderful! I'm l 3 forward to visiting it. But my English is w 4 . I think I ought to study it a little harder. B: Try your b 5 to improve it. 1._______ 2._______ 3._______ 4._______ 5._______