Bill was having a hard time___the school until Tony came along.
问题描述：
Bill was having a hard time___the school until Tony came along.
A.find B.finding C.finds D.to find
答
Bill was having a hard time___the school until Tony came along.
选B
【have a hard time doing sth】做..很艰难
固定词组
翻译
Bill在Tony来之前一直在学校过得很艰难