单项选择题
A. He is going to buy some stamps. B. He is going to marl a letter. C. He is going to pick up a package. D. He is going to see the postman.
A. passionate enough B. adventurous enough C. not smart enough D. not active enough
A. is the trigger of Borders’ bankruptcy B. is a response to Amazon’s growth C. stimulates the growth of e-readers D. has a tremendous impact on book business