二氧化硫是黄色、有刺激性嗅觉的气体,易溶于水。对吗?()
A.对
B.错
参考答案:B
The manager urged older staff ________early retirement and new staff _______ more time for work.
A.take up; to set aside
B.took up; set aside
C.would take up; to lay aside
D.must take up; lay aside
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