—Lily, _____ you _____ your ticket?—Not yet!
Wangmeng won 4 gold medals for China in the winter Olympic Games so we’re proud _____ her.
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.