“__________?” “He is smart and helpful.”

Have you seen Mr. Black these days, Jack? —-Yes, I met him when I ________ in the street yesterday.

Most of us still wonder ___________ it is ________ makes those honest peasant workers, without being paid at all, resign themselves to the bosses.

A: Alice, please tell Eric to call me when he _________ back. B: No problem.

Please cut __ the banana __ small pieces.[ ]