Situation 1:Requesting oils in the Fuel Cell office
Cpt.Li:Mr.Earl，would you take time off your busy schedule and give me a hand？
Mr.Earl:I’m a little tied up now.Would you come back later？
Cpt.Li:Well，I’ll go around and be back soon.
Mr.Earl:I’m sorry！Now，I’m available.
Cpt.Li:My contingent badly needs gasoline，machine oil，gear oil and hydraulic oil.
Mr.Earl:All of them are ready in storage.
Cpt.Li:What’s more，we need more brake fluid，steering gear oil and grease.
Mr.Earl:That’s a lot of stuff！
Cpt.Li:Our trucks can’t run without them.
Mr.Earl:Come and get them tomorrow afternoon！
