( )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 |