【2008.10】When the engine broke down，the boat’s crew found themselves ______ of the wind．
A.at the cost B.at the mercy C.at the rate D.at the moment正确答案B
【2008.10】When the engine broke down，the boat’s crew found themselves ______ of the wind．
A.at the cost B.at the mercy C.at the rate D.at the moment正确答案B
