请你写出下列每组单词画线部分有几种读音。
(_____)1. A. answer B. wallet C. diary D. calculator
(_____)2. A. comb B. exciting C. cycle D. delicious
(_____)3. A. floor B. tall C. skateboard D. four
(_____)4. A. jump B. 1unch C. funny D. computer
(_____)5. A. cough B. could C. ground D. out
(_____)6. A. tooth B. shoot C. food D. noodles
(_____)7. A. their B. year C. early D. hairdryer
(_____)8. A. thank B. plant C. autumnD. uncle