＿＿＿＿＿＿ you leave so soon?-Yes. I have to catch my plane.

Whose schoolbag is this?—It ___________ be Mary’s. It has her name on it.

My father moved to Hainan in _____, when he was in ______.

You have already tried your best, so you _____worry too much about the exams.

It is important that we _______with all that _______ in the struggle.