.单项选择。 ( )1. Lucy is Canada with her aunt next month. A. go B. going C. going to D. goes ( )2. The Great Wall is the wall in the world. A. long B. longer C. longest D. very long ( ) 3. The tour guide is them where they are going to visit. A. tell B. telling C. to tell D. tells ( ) 4. A: are we going to the Summer Palace? B: Tomorrow morning. A. What B. Where C. How D. When ( ) 5. A: Is the Great Wall far from the Ming Tombs? B: . A. Not too far. B. That's great. C. Tomorrow morning. D. Talk about your trip. ( ) 6. We can learn about the history of China. A. a lot of B. lots of C. a lot D. any