—Excuse me, what’s the_________usually used for? --It’s used for protecting people from the rain.
Now the weather is becoming ___________ , we should look after ourselves well.
Can you see 11-year-old boy and one-year-old cow in the field?
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.