完形填空。 There are __ 1__ people in my family, my father, my mother, my sister and I. My father __ 2__ mother are teachers. My father __ 3__ maths. My mother __4__ maths. She is a teacher of English. They __5 __ hard. My sister is a worker. She __6__ English at a night English. She goes to work early. She __ 7__ lunch at home. She usually comes home from work at 5:30. Today is my __ 8 __ birthday. Now we are sitting together. We are having our supper. There __ 9 __ fish, chicken and meat on the table. In the middle of the table there is a big cake. My sister is singing an English song 'Happy birthday to you.' We are all very _ 10 __. (     )1. A. one (     )2. A. with (     )3. A. teach (     )4. A. don't teaches (     )5. A. work (     )6. A. learn (     )7. A. have (     )8. A. mother (     )9. A. are (     )10. A. sad B. two B. or B. teaches B. doesn't teaches B. study B. studies B. has B. mother's B. is B. happy C. four C. but C. learn C. doesn't teach C. learn C. study C. does C. mother' C. has C. great D. five D. and D. learns D. don't teach D. do D. talk D. study D. mothers D. have D. well