英语12.The sun has no sooner started to shine ________ it was clouded over again.
问题描述：
英语12.The sun has no sooner started to shine ________ it was clouded over again.
12.The sun has no sooner started to shine ________ it was clouded over again.
a.than b.when c.as d.while
为什么
答
than ...
no sooner ...than 是固定搭配
表:一...就...