профессионалы английского, помогите, тупая как пенёк в тайге, если вы умнее чем пеньки помогите с номером 5

2. Could you tell me how much a single ticket to London costs?

3. Could you tell me what platform the London train leaves from?

4. Could you tell me if there is a bank near here?

5. Could you tell me if Mr Davies has already left?

6. Could you tell me where the town centre is?