During World War II, when London was bombed, many stations f_______ as bomb shelters. 

This meeting ____________(加快了) the pace of educational reforms.  

After his ________(获得) of the diploma, he volunteered to work in the Northeast of China. 

. The river water is used by the local people after being          (净化)．  

Five years after the International standards for digital TV were established ,_______（消费者）could have access to more than 200 channels in the USA. 

.这本书对他的研究将有很大的价值。

This book will be      great        to him in his studies.

我们必须考虑到所有的事实。

We have to      all the facts into        

因缺乏交流而引发的家庭问题现在越来越多。

There are more and more family problems             the lack of communication.

该店由于正在修理屋顶，所以暂停营业。

The shop is closed         because the roof is         repair.

一些公司对女雇员有成见，认为女性不如男性能干。

Some companies are                    female employees and think that women are

not as capable as men.