He was watching her doing it with a ________ look on her face, as if to say that she would not change her mind.

_________ the guide, the reporter entered the house of the farmer who is famousfor helping other villagers get rich.[ ]

Could you give us some advice about this competition?—If you want to win first prize, your design for the museum must be________.[ ]

I have been to quite a few restaurants, but I can. say this one is .

How do you deal with the disagreement between the company and the customers–The key ________ the problem is to meet the demand _______ by the customers.