—Did you use to have straight or curly hair, Cindy? —_________. I like that hair style. A. Yes, I did. B. Straight hair C. No, I didn’t
I will be an engineer ____ ten years.
Last year I went to Beijing and ________ it.
There _______ a robot in every home.
I’m going to write articles and send _________ magazines and newspapers.
David is going to travel _________ the world.