北师大模块一和模块二 高一英语寒假作业第一天一根据句子结构的语法性，在下面空格处填入一个适当的词语或者使用括号中词语的适当的形式填空。（每小题1分，共35分。）16.It was not until dusk_that_ the thunderstorm calmed down entirely.17.The mother _was_ about what had upset her daughter.18.As far as I am concerned, I am very upset about her_ignoret_( ignore) of my sufferings.19.It will be a long time before the can both settle the problem since they always _disagree_(agree) with each other.20.It is the first time that they _have gone_
