Every year a flood of farmers arrive in Shenzhen for the moneymaking jobs they________before leaving their hometowns.
A. promised
B. were promised
C. have promised
D. have been promised
Every year a flood of farmers arrive in Shenzhen for the moneymaking jobs they________before leaving their hometowns.
A. promised
B. were promised
C. have promised
D. have been promised
D
解析：句意：每年，大批的农民来到深圳，寻找离家前被许诺过的能赚到钱的工作。根据时间状语every year可判断用与现在有关的时态，故排除A和B两项；根据时间状语before leaving their hometown，可判断，农民们在离开家乡之前被许诺能找到赚钱的工作，所以用被动语态。