She ______ have left school, for her bike is still here.

You only had meat and fish yesterday. If you had eaten vegetables, they         easily.

——I can’t find my MP4 player. —— You _______it on the desk. I saw a red one on it.

--- Did they attend the opening ceremony? ---They        _, but they were late and quit it.

       you be interested, I’ll tell you the whole story.