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 ________(獲得) of the diploma, he volunteered to work in the Northeast of China. 

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

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

.這本書對(duì)他的研究將有很大的價(jià)值。

This book will be      great        to him in his studies.

我們必須考慮到所有的事實(shí)。

We have to      all the facts into        

因缺乏交流而引發(fā)的家庭問(wèn)題現(xiàn)在越來(lái)越多。

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

該店由于正在修理屋頂，所以暫停營(yíng)業(yè)。

The shop is closed         because the roof is         repair.

一些公司對(duì)女雇員有成見(jiàn)，認(rèn)為女性不如男性能干。

Some companies are                    female employees and think that women are

not as capable as men.