問題補(bǔ)充：
單選題
How I regretted ______ the hours in the forest ______ I should have studied hard in the classroom.A.to waste; whenB.to waste; whereC.wasting; whenD.wasting; where
網(wǎng)友答案：
熱心網(wǎng)友 1樓
C解析考查regret的用法，句型regret doing sth意思“后悔做某事”，后面的句型should have done sth意思“本應(yīng)該做什么事情而沒做”，根據(jù)意思，可知選C
