Look,that’s Tom.He is a new student.Let’s go and________him.
Chairman Mao, our forever hero, was born _____ December, 1893.
—What’s happening there?—Oh. Let me see. There is a panda ______ which causes the traffic jam(交通堵塞).
They witnessed(目睹) a quarrel _____ their way home.
Last year, I spent too much time ______ video game and I decided to quit it.
Mary was so surprised _____ what Tom had do to him.