(2018·全國卷Ⅰ)Ijumpedattheideaoftakingtheclass

來源：國語幫 1.71W

(2018·全國卷Ⅰ)I jumped at the idea of taking the class ________， after all, who doesn't want to save a few dollars?

because　句意：我迫不及待地想去上這門選修課，因為畢竟誰不想省幾個錢呢？此處表示原因，故使用because引導原因狀語從句。