完形填空。 Mr. Zhou and his students are on the train. Everyone is 1 . They'll arrive in Shanghai. Now, they are 2 their way to their sister school by 3 . The school is not far 4 their hotel. Mr. Zhou becomes more excited. He is from Shanghai. His parents and his friends will be glad 5 him. He and his students are talking 6 their plan in the bus. First, they will study in their sister school 7 months and then they will see some 8 places in Shanghai. About four months 9 , they'll go 10 Nanjing. (     )1. A. excites (     )2. A. in (     )3. A. train (     )4. A. from (     )5. A. to see (     )6 A. about (     )7. A. in (     )8. A. interest (     )9. A. after (     )10. A. back B. excited B. for B. plane B. to B. see B. for B. for B. interested B. later B. back to C. exciting C. on C. bike C. with C. seeing C. on C. at C. interesting C. On C. to back D. excite D. to D. bus D. for D. to look D. with D. after D. interests D. for D. back in