题目内容
—It’s seven o’clock in the evening. They must _____ at home.
—I think so. Perhaps they _____ CCTV News.
A. is, watching B. be, watch C. be, are watching D. to be, watching
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题目内容
—It’s seven o’clock in the evening. They must _____ at home.
—I think so. Perhaps they _____ CCTV News.
A. is, watching B. be, watch C. be, are watching D. to be, watching