【简答题】What is the sky? Where is it? How high is it? What lies above it? These questions are difficult to answer, aren’t they? Is the sky blue? No, the sky has no colour. Is the sky full of air? Yes, we know...
【简答题】Dialogue 4 --Good morning. Can you tell me where the Sales Manager's office is? --Sure. The Sales Manager's office is in 1 on the fifth floor. --Where is the 2 please? --Over there 3 the hall. Take th...