完形填空。 Sam and Pat are brothers. They are in 1 class. Sam words 2 and studies better than his brother, Pat. One day, the teacher asked the class 3 a composition (作文). The name of it 4 'My Mother'. Sam wrote a composition and 5 to hand it in (交) to the teacher when Pat said, 'Wait a minute, Sam, let me 6 a look.' Pat read it and 7 it. The next day, the teacher 8 Pat, 'Why is your composition the same as 9 ?' ' 10 we have the same mother,' answered Pat. (     )1. A. same as (     )2. A. harder (     )3. A. writing (     )4. A. was (     )5. A. is ready (     )6. A. to have (     )7. A. copies (     )8. A. asks (     )9. A. Sam's (     )10. A. Since B. different B. hard B. wrote B. will be B. is reading B. has B. copied B. to asked B. Sams' B. For C. the same C. well C. to write C. were C. was ready C. had C. copys C. asked C. Sam of C. As D. same D. better D. writes D. is D. was read D. have D. will copy D. asking D. of Sam D. Because