毎週ニヤリと笑える英語ジョークを紹介している爆笑メルマガ『笑える英語 無料版』から、今回は「やる気出た」というジョークをご紹介します。今週のジョーク「やる気出た」 (原題：Plus Sign)Little Tommy was doing very badly in math. His parents had tried everything; tutors, flash cards, special learning centers, in short, everything they could think of. Finally in a last ditch effort, they took Tom