The English teacher her students how to improve their comprehension skill since last week.
October 24, 1860, the Qing government and the Britain sighed "the treaty ofBeijing", ___ put an end to the second Opium war.
___ the invention of the steam engine, the industrial revolution played a vital role in human history.
Blog, a shared on line journal where people can post diary entries about their personal experience and hobbies, ___ more and more popular with people of all ages.
My car’s performance is ___ since the engine’s been tuned and the tires have been changed.
He ___ away before we arrived, since the house was deserted.