问题
选择题
We’ll have to finish it , _____________.
A．however it takes long
B．however long it takes
C．no matter how it takes
D．no matter how long does it take
答案
答案：B
状语从句考查题。However连接状语从句时其后紧接形容词或副词，而且从句要用陈述语气。 无论需要多长时间我们必须完成它。 选B