ПОМОГИТЕ с АНГЛ! Пожалуйста. Вставить ПРЕДЛОГИ.

1.-Will the train arrive ... time or will there be a delay?
-The train will arrive ... a delay ... 40 minutes.
2.The charge ... a room ... this hotel is not very high.
3.-What are you doung here?
-I*m waiting ... the director. I*d like to speak ... him ... the offer of Black&Co.