The problem ________ when the students refused to do their homework.
更新时间:2024-11-02 07:18:44 A、aroseA
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________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.
Theproblem________whenthestudentsrefusedtodotheirhomework.
Humanbehaviorismostlyaproductoflearning________thebehaviorofanimalsdependsmainlyoninstinct.
EachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.
She________hernervousnesstotheimportanceoftheinterview.
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