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1.看标志词: now 例句: They are flying kites now. right now 例句: Sally is making a call again right now. look! 例句: Look! Mr. Wang is talking with a student over there. listen! 例句: Listen! Someone is crying in the next room. 2. 句子 It is+具体几点之后 例句: It is 10 a.m. . We are having an art class in the classroom. 3 根据上下文情境:常见的有 Be quiet. Don't be noisy here. Don't talk so loudly. 例句: Be quiet!The baby is sleeping. (责任编辑：admin) |