单项选择题

From the tears in Nedra's eyes we can deduce that something sad ______.

A．must have occurred
B．would have occurred
C．might be occurring
D．should occur
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单项选择题
There is no reason they should limit how much vitamin you take, ______ they can limit how much water you drink.
A．much more than
B．no more than
C．no less than
D．any more than
单项选择题
Life is a candle ______ to bum ever brighter.
A．being meant
B．meaning
C．to mean
D．meant
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