Q: what must a dog do daily? Choose the most suitable option to answer the above question. Options：  A. drink water  B. shake hands  C. guard house  D. mate  E. stay in place
A: A


Q: What mineral is dug up to smelt in to iron? Choose the most suitable option to answer the above question. Options：  A. earth  B. ore  C. saline  D. multivitamin  E. michigan
A: B


Q: The helm is the steering control of what powered leisure vessel? Choose the most suitable option to answer the above question. Options：  A. motorboat  B. south tyrol  C. tugboat  D. brig  E. sailing vessel
A: A


Q: As the day ended he eyed the door from his desk, work was soon over and he could leave the what? Choose the most suitable option to answer the above question. Options：  A. conference room  B. theater  C. apartment  D. office  E. neighbor's house
A: D