完形填空。 Look, this is __ 1 __ bedroom. It is __ 2 __old house, but it is very nice. There __ 3__ a clock and some pictures __ 4 __ the wall. There is __ 5 __ on the desk. His backpack is __ 6 __ the chair. His coat is on the bed. Where is __ 7 __ baseball? It is __ 8__ the door. What's that? Oh, __ 9__ a cat! It __ 10 __ a hat. (     )1. A. Jim (     )2. A. a (     )3. A. is (     )4. A. at (     )5. A. keys (     )6. A. on (     )7. A. a (     )8. A. behind (     )9. A. That's (     )10. A. look like B. Jims B. an B. am B. on B. a set of keys B. in B. the B. in B. It B. look C. Jims's C. the C. are C. in C. a set of key C. between C. an C. under C. Its C. looks like D. Jim's D. the D. be D. for D. key D. out D.  / D. between D. It's D. look after