A. He is worried about the wastewater recycling.
B. He is worried about the price of the tiny engines.
C. He is worried about people in areas lacking water.
D. He is worried about the pollutants in wastewater.
A. A business idea brought forth by an airline.
B. How to share online profiles to look for a potential relationship
C. A dating program which helps people look for a partner online.
D. The in-flight online service offered by an airline.
A. The man is tired of driving cars to work every day.
B. The man is planning to buy an intelligent car
C. The man thinks intelligent cars might be expensive
D. The man is working with some engineers on intelligent cars.
A. She suggests the man shoot videos for people online.
B. She suggests the man quit the online business.
C. She suggests the man start a video store online
D. She suggests the man edit videos for people online.
A. Ted will drop out of school.
B. Ted is very interested in computer class.
C. Ted will establish his own computer company
D. Ted is not capable of sting up his computer company.