Hard work and proper methods are the keys high marks.

Many new goods are on sale at the supermarket. They really _____ housewives.

Thanks a lot, Mr. Wang. I don’t know how to ________ the help you gave me during my stay here.— It’s my pleasure. Welcome to China again when you have time. [ ]

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

Jiefangbei is not far from Chaotianmen.You can easily visit ___in a day.