下列实例中，力对物体没有做功的是（）
A、起重机吊起重物翻译：Wewouldliketoinformyouthatatpresentwecansupplyyouwithvariouskindsofmen'sleathershoes.
TheeffectofDarwinistideaof“survivalofthefittest”wasshatteringin()’sfictionalworldofjungle,where“killortobekilled”wasthelaw.
WeshallcancelthecontractifyoufailtoopentherelativeL/C____theendofthisyear.
Theconclusionfromthestudyisnotdefinite;itisjust________.
Jameshasjustarrived,butIdidn’tknowhe________untilyesterday.
