He was just falling asleep _____ there was a loud knock on the door.
—________ —It’s sunny today.
—May I speak to Mr Wang? —Sorry.He________a speech now.Please call later.
Everyone was________when they heard the________news.
The workers will build a new railroad________the two cities.
—Steven,could you help me________when the plane will take off on the Internet? —I’m sorry,my computer doesn’t work.