下列合同中，属于要式法律行为的有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24821' and id < 2121891 and id<>'2121891' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24821' and id > 2121891 and id<>'2121891' order by id asc limit 5