—That book I lent to you yesterday is ______than this one.—Really? I’ll return it to you as soon as I finish reading it.
Now the weather is becoming ___________ , we should look after ourselves well.
About seventy percent of the earth with water.
Lots of students are_________ in tigers and other wildlife.
Why does Liu Tao look all day long?
Our English teacher often asks us_________ English _____in class.