【题目】Every year a flood of farmers arrive in Shenzhen for the money-making jobs they_____ before leaving their hometowns.
A. promised B. were promised
C. have promised D. have been promised
在线课程【答案】D
【解析】句意为：每年大量农民工涌入深圳，去寻找他们离乡前别人给他们许诺的挣钱的工作。此处农民工是“被许诺工作”，需用被动语态，故排除A和C两项；B项仅表一般过去时的被动；D项表示“已经被许诺”，故选D。