单项选择题A.inB.onC.atD.to
单项选择题A.in whichB.from whichC.of whichD.by which
单项选择题A.orB.andC.excludingD.including
单项选择题A.relyB.restC.dependD.count
单项选择题A.itB.usC.oneD.you
单项选择题A.priceB.levelC.costD.if
单项选择题A.to buyB.buyingC.having boughtD.from buying
单项选择题A.onB.byC.atD.against
单项选择题The true cause of the anxiety of the workers is that______.
单项选择题By a well-oiled cog in the machinery the author intends to render the idea that man is ______.