完形填空。 Today is sunny. It's a good day for 1 . So you can see, I'm going for a walk 2 my grandmother. She 3 me an interesting story. But 4 hour later, we are lost. We don't know 5 we are. A policeman 6 us and tells us the right way. We go along、that street and 7 right. Then we 8 a big zoo. We find our way! We go into the zoo and see many animals. I like 9 . They are from Australia. At about f'ive o'clock, we get home. 10 my parents know about our story, they laugh. That is very funny, right? (     )1. A. running (     )2. A. with (     )3. A. is saying (     )4. A. a (     )5. A. how (     )6. A. comes (     )7. A. turn (     )8. A. look (     )9. A. penguins (     )10. A. If B. swimming B. to B. is telling B. the B. where B. is coming at B. go B. see B. tigers B. Before C. walking C. and C. is telling about C. an C. who C. comes to C. walk C. meet C. koalas C. When D. sining D. at D. is telling of D. / D. what D. come to D. run D. watch D. lions D. At