The book has helped me greatly in my daily communication, especially at work ________ a good impression is a must.

近来，即将离开大学的毕业生纷纷在网上留言“晒遗憾”。某校报特意摘取四则大学生留言编成“晒遗憾专栏”，请你认真阅读留言后，在下列为专栏拟写的标题中，选出最恰当的一项网友

Does Ben have to take the subway to work— . He can also take the bus.

Could you please answer the phone— ________. I’m busy now.

It is said that the book our Chineseteacher referred to is worth .