Jack, I haven’t seen your sister for a long time.– She Shanghai on business for two months.

The man tried to pretend that he hadn’t stolen the money but his expression ________

He have come here yesterday, he?

John, why are you so upset? —I­­­my cell phone all morning but it is nowhere to be found

We have _________ our position on the issue (期刊)! Whatever happens, we won’t change it.