完形填空。 Dear Helen, Today is Sunday. I 1 go to school. I stay 2 home. I'm writing to you now. I go to school 3 seven thirty every morning. We have four lessons 4 the morning. We read and write Chinese 5 school. 6 forty students in my class. Four 7 them are Americans, two Englishmen, five Frenchmen and two Australians. The other students are Chinese. Chinese people are 8 . There 9 a map of China 10 the white wall in our classroom. China is great. My classmates are all friends. They teach us Chinese. I teach them English. We play football in the afternoon. We are very happy! Please write to me soon. Yours, Lucy ( )1. A. do ( )2. A. in ( )3. A. at ( )4. A. at ( )5. A. under ( )6. A. There be ( )7. A. on ( )8. A. friendly ( )9. A. be ( )10. A. in B. don't B. on B. near B. with B. with B. There is B. of B. friend B. are B. on C. can C. at C. behind C. on C. about C. There are C. in C. friends C. is C. with D. can't D. of D. about D. in D. at D. Have D. at D. love D. am D. about