完形填空. Zhang Wei is a Chinese _1_ . He is not young, but he is not _2_ . He is twenty-eight. He has a son. _3_ name is Zhang Lin. He is _4_ . Mr. Zhang teaches English. _5_ his class there are thirty _6_ . They all _7 him. His wife (妻子), _8_ Zhang, is a nurse (护士). She is _9_ mother. Today is Sunday. _10_ is free (空闲) in Mr. Zhang's family. (     )1. A. worker (     )2. A. good (     )3. A. He (     )4. A. three (     )5. A. At (     )6. A. students (     )7. A. likes (     )8. A. Miss (     )9. A. Mr. Zhang's (     )10. A. Every B. student B. twenty B. His B. fifteen B. On B. boy B. is like B. Mr. B. Zhang Lin B. Every one C. teacher C. old C. She C. twenty-eight C. In C. girl C. are like C. Mrs. C. Mr. Zhang C. One D. doctor D. friend D. Her D. eighteen D. Of D. boy and girl D. like D. Mis. D. Mr. Zhang's son's D. All