Question

【题目】Because of the shortage of coal in England, attempts ________ to use natural gas as a source of power.

A. have made B. will have been made

C. are being made D. will be making

Answer 1

【答案】C

【解析】句意：由于英格兰煤炭资源的匮乏，人们正试图使用天然气作为一种能源。主语attempts和动词之间被动关系，这里根据语境和语意应该用正在进行时的被动语态，故C正确。