时态综合运用 — 英语词汇题
题目
根据句意，用括号内所给动词的适当形式填空。By the time Wang Lin arrived at the station, the train ______ (leave). She felt sad because she ______ (not book) a ticket earlier. Next time she promises she ______ (set) off much sooner so she won't miss a new beginning again.