【正文】
D. can jump C B D 4. Mrs Smith _____ be at home now. She flew to Hainan this morning. A. mustn’t B. can’t C . May not D. needn’t 5. Look out ! The knife is very sharp. You ____ cut your finger. A. Must B. should C. may D. need 6. Could you give me a hand ? _______ . A. All right B. Not at all C. No problem D. Yes, I can B C C 7. ____ Jim speak English? No, he ____. 8. _____ you play the piano at the age of 4? Yes, I _______. 9. ______ you use puter last year? Yes, I _____. 10. ______ she play basketball 5 years ago? No, she ________. Because she ________ run fast. 11. _____ you ride a horse? I want to do that but I ______. Can can’t Could could Could could Could couldn’t couldn’t Can can’t