We ___________to speak aloud in the public place.

—Why are your eyes so red? You _______ have slept well last night.—Yeah, I stayed up late writing a report.

He used to _______ in a village, but now he has been used to _______ in the big city.

Sometimes the boy is a bad-tempered child, but he ____ be quite lovely when he wishes．

It is nearly seven o’clock. Jack 　　　 be here at any moment.