i: how about you, b? (why/why not?) b:回答
i: do you think the internet will become more widely used by companies in the future, b? (why/why not?)b:回答
i: what do you think, a? a:回答
i: do you think that the internet is an effective channel for marketing a company's products, a? (why/why not?) a:回答
i: do you think other forms of advertising will continue to be more important than the internet, b? (why/why not?) b:回答