We regret to ________ that it may not be possible to deal with every request.
更新时间:2024-11-02 09:15:22 A、putoffD
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Theproblem________whenthestudentsrefusedtodotheirhomework.
________fromtheoccasionallatenightparty,ourneighborsareveryquiet.
It________asashocktorealizethatIwasnotaloneintheroom.
________withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.
Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
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