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6、riedxkb1.com答案 D [beburiedin的主语往往是人，说明人所处的状态，并不表示被动，类似的还有：belostin...becaughtin...bedevotedto...beabsorbedin...beoccupiedin...beinvolvedin...此类词组常去掉be，以非谓语动词形式出现在句中作状语。]5．Someparentsarejusttooprotective.Theywantto________theirkidsfromeverykindofdanger，r
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