—Tom, why did you make no reply to me when I called your name in the street just now?—Sorry, Jim, I_______ to my wife on the phone.
You’d better keep the classroom _____. A. cleaning B. cleaned C. clean
— Can you tell me ________ the library is? — Go along this road. You can find it ________.
Helen ________ movies, so you can ask her to go to the cinema with you.
— Would you like ________ something for me? — Of course. I enjoy ________ very much.
Some people are taking photos, ________ are riding elephants.