【单选题】The most serious problem we are facing now is how to ______ all the pollution.
【单选题】The UN is trying to ______ the world ________ hunger.
【单选题】The UN is trying to _____ the world ____ hunger.
【单选题】The workers were resting with the machine ________.
【单选题】Those white workers were not (satisfied) with their wages, and when they were asked to work longer hours, it added fuel to the flames.选择能代替括号里的选项
【简答题】For which group of the workers were the health care costs the highest?
【单选题】The workers were so tired that they fell asleep where they ______without undressing.
【简答题】Relief workers were shocked by what they saw.
【简答题】According to the passage, the French workers were ______ .