When can I come here for the photos? I really need them tomorrow afternoon. —They _______ be ready by 12:00.

The teachers ________________ the office for a few minutes when we arrived.

Jack arrived ________ Shanghai ________ the evening of June lst. [ ]

Mr. Hu said that you were late again. ________ this, you didn’t wear the uniform. [ ]

I think he must have seen me at the meeting last night, ______?