A． He asks the woman for some clothes and a toothbrus
B． He promises to go to the woman’s dorm room tomorro
C． He invites the woman to have a drink in a ba
D． He invites the woman to celebrate Christmas with hi
A． Her car is being repaire
B． She wants to help reduce pollutio
C． Parking is difficult in the cit
D． The cost of fuel has increase
A． install many pollution filters
B． spray a new material on engines
C． reduce the use of buses
D． cut down the use of fuel
A． A new fuel for buse
B． The causes of air pollutio
C． A way to improve fuel efficiency in buse
D． Careers in environmental engineerin