Question: If something's weight isn't light, what is it? Choose the most suitable option to answer the above question. Options：  A. crucial  B. darkness  C. cumbersome  D. heavy  E. darkness
Answer: D

Question: What could happen after driving car that does not involve pain? Choose the most suitable option to answer the above question. Options：  A. automobile accidents  B. backache  C. eye strain  D. getting tired  E. car crash
Answer: D

Question: After beginning work, what did the man do because he was tired? Choose the most suitable option to answer the above question. Options：  A. sitting down  B. procrastination  C. getting tired  D. stress  E. relax
Answer:
A