________ is looking forward to studying with an I-pad in the math class. 

Lincoln came from nothing, yet but he did ____ that changed the world.

—Here are the designs.        do you prefer?—I think        looks the most original.

—What do you think of the songs? —In fact, ________ of them sounds beautiful.

. When foreign people talk about the cities of China, the first ______ comes into their mind is Beijing.