单项选择题

A．A new fuel for buses.
B．The causes of air pollution.
C．A way to improve fuel efficiency in buses.
D．Careers in environmental engineering.
<上一题 目录 下一题>
热门 试题

单项选择题
A．Their parents cut back loan.B．The woman doesn’’t want Prank to take another English course.C．They can’’t pay the rent this month.D．The woman’’s boss refused to give her a raise.
A．Their parents cut back loan.
B．The woman doesn’’t want Prank to take another English course.
C．They can’’t pay the rent this month.
D．The woman’’s boss refused to give her a raise.
单项选择题
A．70.B．27.C．17.D．22.
A．70.
B．27.
C．17.
D．22.
相关试题