完形填空。 What 1 this? 2 a backpack. It's my 3 .What's that? It's a 4 . It is 5 computer. Is that a computer, too? 6 . It's a TV set. It's 7 TV set. I 8 it 9 Saturday evening. It is a 10 TV set. ( )1. A. is ( )2. A. He's ( )3. A. ruler ( )4. A. TVset ( )5. A. Her ( )6. A Yes, it is ( )7. A. I ( )8. A. look ( )9. A. on ( )10. A. my B. are B. She's B. ring B. computer B. She B. Yes, it isn't B. my B. see B. in B. well C. am C. It's C. backpack C. case C. her C. No, it is C. her C. watch C. at C. her D. be D. Is D. book D. pencil D. I D. No, it isn't D. his D. listen D. to D. good