CALGARY, Canada, June 15 (Xinhua) -- Hundreds of protesters took to the streets in downtown Calgary on Sunday as the Group of Seven (G7) leaders arrived in the city on their way to the two-day summit ...

欢迎您把自己的英语教学经验方法、优质教学设计案例、教育心得等和大家分享，可成为明师国际教育研究院的签约作者，更有机会被收录到《明师说》系列正式出版，与40万英语教师共同进步，快来投稿把！