1 . He o________ himself in doing his work, and hence, he can’t spare any time to relax. （根据首字母提示拼写单词）
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2 . During the war, Germany o__________ many countries, including France.（根据首字母单词拼写）
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3 . For most of the youth, checking the phone often o________ much of their spare time. （根据首字母单词拼写）
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4 . Bookshelves o_____________ most of the living room walls.（根据首字母单词拼写）
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5 . The bed seems to o_________ most of the room, so there is little space for a sofa. （根据首字母单词拼写）
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