We see that surface is covered with tiny "hills and valleys".

Just over two－thirds of Earth’s surface is covered by wafer, ______ more than 98 percent o

Tucked away in our subconscious is an idyllic vision. We see ourselves on a long trip that

From the conversation we can see that the man is______to （with) the woman.A．indifferentB．i

Antarctic _____ we know very little is covered with thick ice all the year round. A．which B．that C．w

From the passage we can see that the writer______the Death Valley.A．appreciatesB．is fearfu

From the text we can see that the writer thinks the future of the new room key is__________.