完形填空。 It was seven thirty. Supper was 1 an hour ago, but Tom still wasn't 2 . Mrs Brown was worried. She went to the door and 3 . Half an hour later, Tom got home. When he saw his mother, he said, 'I'm very, very 4 .' After supper, Mrs Brown asked, 'Why did you come back so 5 ,Tom?' 'In class, some of my friends made a lot of noise (吵闹声),' answered Tom. 'Our teacher got 6 . After class he told us to do an exercise in the 7 .' 'An exercise?' Mrs Brown said. 'It was 8 , wasn't it?' 'No, it was easy.' 'Why did it take so 9 to do it, then?' 'We did our best to do it 10 ,' answered Tom. 'But we got different answers. All the answers troubled (困扰) our teacher.' (     )1. A. good (     )2. A. away (     )3. A. found (     )4. A. hungry (     )5. A. late (     )6. A. glad (     )7. A. bedroom (     )8. A. easy (     )9. A. long (     )10. A. wrong B. ready B. well B. thought B. sorry B. slow B. angry B. playhouse B. kind B. short B. right C. delicious C. back C. watched C. afraid C. fast C. nice C. classroom C. same C. light C. quickly D. new D. down D. waited D. happy D. far D. ill D. playground D. hard D. heavy D. early