情态动词can/can't表许可：禁止类标志 — 英语选择题
题目
Mike is in the library. He sees a sign that says "No talking". His friend asks, "Can we talk loudly here?" What should Mike say? A. Yes, we can talk loudly here. B. No, we can't talk loudly here. C. Yes, we can run here. D. No, we can't read books here.