---How much _________ this bag? ---___________eight dollars.
We are all _______ to hear the_story.
Jimmy and Timmy are both 50 kg, that is to say, Jimmy is _______Timmy.
China is one of _______countries in the world.
. --________? --He’s friendly and helpful. He often helps me with my homework.
When he walked_______ my desk,he knocked my books________ the floor.