14.______,I must do another experiment.a.Be it ever so late b.It is ever so late c.It be ever

题目

14.______,I must do another experiment.a.Be it ever so late b.It is ever so late c.It be ever
14.______,I must do another experiment.
a.Be it ever so late b.It is ever so late
c.It be ever so late d.So late it be ever
为什么选A 为什么用be而不用is

答案

因为省略了情态动词may.
Be it ever so late ===though it may be late== late as it may be === late as it is.(虽然时间不早了)