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__________. A. friends B. friend C. sisters D. brothers ( )3. My __________________ are all teachers. A. friend B. sister C. grandparents D. mother ( )4. Are your friends in your class? Yes, ______are. A. these B. my friends C. those ( )5. Is Guo Peng your sister? No. _________________. A. she is B. she isn’ t C. it is D. it isn’ t ( )6. Mum, __________________ my friends, Dale and Helen. A. this is B. they are C. he and she D. these are ( )7. Are these Jeff and Jack? _______________________. A. Yes, they aren’ t B. No, these aren’ t C. No, they aren’ t D. Yes, these are ( )8. _________________ your sister? This is my sister. A. What’ s B. Who’ s C. Is that D. Is she ( )9. _________________________? No, she isn’ t. A. Is this your aunt B.