单项选择题


A．in underground
B．below underground
C．underground
D．undergroundly
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单项选择题
A．evaporatingB．being evaporatedC．having been evaporatedD．being evaporated
A．evaporating
B．being evaporated
C．having been evaporated
D．being evaporated
单项选择题
A．run downB．run awayC．run offD．run through
A．run down
B．run away
C．run off
D．run through
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