His friends were ___________and encouraged him to publish his ideas, but Copernicus was cautious.

Your story is perfect；I’ve never heard________before.[ ]

In their efforts to persuade us to buy that product,shopkeepers have made a close study of human nature and have __________ all our little weaknesses. [ ]

You all like your English teacher?—Yeah, she devotes herself____ to teaching and it earns her a good reputation

Would you like some more juice__________, that’s enough for me.