Everyone should learn something about first aid,for every second will ________ in an emergency.
When _____ his view about his job as a teacher, Mike said he found it very interesting and rewarding.
What impressed the visitors deeply was ______ the workers made with their hands.
To our great relief, ______ time going on, more and more of the victims of the earthquake were rescued.
The central provinces have floods in some years, and _____.
–What do you think of the match? –_____, I don't think we have a chance of winning.