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【简答题】
求如图所示立体图形的体积．（单位：厘米）
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举一反三
【单选题】The hosts apologized for ______ that some of their guests might be vegetarians.
A.
having not considered
B.
not having considered
C.
having not been considering
D.
not considering
【简答题】Some
guests might just sit in ___________, chatting
over ____________.
【简答题】A．The other guests had their bedding replaced, too. B．Some guests decided to leave the hotel. C．Some guests required for a cleaner room. D．The other guests cancelled room service.
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