Question

【题目】Three million tons of coal ______ every year in the city.

A．is exploited B．are exploited

C．had exploited D．have exploited

Answer 1

【答案】B

【解析】句意：这个城市每年要用三百万吨煤。主语中心语是tons，Three million和of coal都是修饰tons的，故谓语动词用复数，煤是被用，表示被动，故选B项。