________ the Internet is bridging the distance between people, it may also be
breaking some families or will cause other family problems.

________ in his book, he didn't notice me ________ I entered the room.

How can you expect him to make any progress ________ you never give him a chance to have a try?

I'm sorry you've been waiting so long，but it'll still be some time ________ Brian
gets back.

It just isn't fair ________ I was working as a cleaner last month; my friends were on a visit to Dalian.( 2012·湖北八校联考)

  The husband rushed to the hospital ________ he heard that his wife was injured.(2012·天津六校联考)

I will carry out the plan _____ there is much difficulty ahead.

It’s uncertain ____ the fashion show will be held next week.

The news _____ the spaceship succeeded in returning to the earth spread everywhere.

      I toured the Great Wall，I was deeply impressed with the beautiful scenery．