中国大学MOOC: 1. When the police arrive at the scene, they should show who they are and keep order.
举一反三
- 1. When the police arrive at the scene, they should show who they are and keep order. A: 正确 B: 错误
- 中国大学MOOC: If you are a representative of the host, when should you arrive?
- 中国大学MOOC: If there’s leakage of gas on the scene of a traffic accident, the police should first arrange the evacuation of the people.
- 中国大学MOOC: When you go to an interview, you should arrive as early as possible.
- 5. A. When he can receive the order. B. What the order number is. C. When he should send the order. D. What’s wrong with the order.