.The development of industry has been________gradual process throughout________human existence,from stone tools to modern technology. (2012·浙江,2)
—Could you help me with the math problem? —________ Your must be barking up the wrong tree.
________ operation was very successful indeed,which was ________ comfort to the concerned mother.
We’re living in ________ people call “Information Age”,so everything is possible.
—I reminded you not to forget to turn off the lights when you left the classroom. —________.
Mike is kind,determined and full of energy.________,I can’t speak too highly of him.