问题
选择题
How long do you think ____ the computer company launches a new model?
A．it will be before
B．will it be until
C．will it be when
D．it will be that
答案
A
句意为：你认为还有多久电脑公司将发布一个新产品？“It will be+一段时间+before从句”表示“还要多久才能……”。