In 1800s, a group of adventurers(探险家) ______ on their exploring trip. Five days later, they came to what is now known as Quebec.
Historically, ________ main material for making tables has been wood, but ________ metal and stone have also been used.
Besides the content of a book, _____the editor also cares about is the number of readers.
The house is dirty because it since they moved out.
—Hurry up! Can’t you drive faster ,Jack? ——No. If I got _____speeding ticket ,my dad would take away my car.
The Boston Marathon bombings killed 3 people ,including a Chinese citizen_ Shenyang.