完形填空。 Mike and Ann are 1 They live in a large house. The house is 2 the foot of a mountain (big hill). Near the mountain 3 a lake. There are four people in the family: Mike, Ann, their father and their mother. Their father is a farmer. He 4 a farm not far from their house. Their mother is at home. She is a housewife (家庭主妇). Mike and Ann go to school every day. They are 5 , but they are 6 . Mike is in Grade 2. Ann is in Grade 1. Mike likes sports. He likes swimming and playing football. After school he often plays football 7 his classmates. Ann is a good girl. After school, she often goes home to help her mother 8 the housework. (     )1. A. brothers and sisters (     )2. A. at (     )3. A. has (     )4. A. are working (     )5. A. at the same school (     )6. A. in different grades (     )7. A. and (     )8. A. doing B. brother and sister B. in B. have B. is working B. at the same schools B. in a different grade B. with B. does C. a brother and sister C. under C. is there C. works on C. in the same school C. at different grades C. but C. with D. a brother and a sister D. on D. there is D. works at D. in the same schools D. at a different grade D. or D. in