How long do you think it will be the puter pany puts forward a new product?
A. before
B. since
C. until
D. that
网友回答
A. before
B. since
C. until
D. that
解析：考查固定句型：这是个固定的时间状语从句 it will be + 一段时间+ before sth. happens，do you think为插入语，可知此处应用陈述语气，排除B、C两项；此处不是强调句，可排除D；How long属于时间段，故选A。