Luyện nghe Illustrated Everyday Expressions with Stories 1 - (Lesson 2: The Man Who Learned from His Cow)

Audio: Audio script

at once = immediately; right way Son! Come back here at once! When we heard the fire alarm, we left at once. She went to her sick mother at once. A: Can I give you the money next week? B: No! I need it at once! Please come to my house now and pay me.

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