Unit 5 Signs 习题习题 2 一、单项选择。一、单项选择。 1. -_ does it mean? -It means you cant park here. A. Where B. What C. When D. Who 2. - What does it mean? - It the floor is wet. A. means B. mean C. meant D. meaning 3. -_ does this sign mean? -It means you cant park here. A. When B. What C. Whats D. Where 4. - What does it mean? - It means you cant litter here. Which one is correct? A. B. C. 5. -_ can we put it? -We can put it in the park. A. When B. How C. Who D. Where 二、改错。二、改错。 1. What do it mean? 2. Does you want some juice? 3. You cant take your juice on the shop. 4. It mean you cant smoking here.