____ do you have a computer class? —Twice a week. [ ]
He was so _______ after he knew the ________ news.
Look at the young men. They _____ the bus.
Miss Li, must we hand in our homework right now?—No, you ____.You can hand it in tomorrow.
Do you know the man ________ visited the United States in February? –Yes. He is Chinese Vice-President Xi Jinping. He said it was his _______ visit to the United States.