black

单项选择题


Questions 17～20 are based on the following talk. You now have 20 seconds to read Questions 17～20.

What is the main topic of this lecture
A．Bicycles and cars.
B．Building codes.
C．Energy conservation.
D．New housing construction.
相关考题

单项选择题 What can you watch at 8:10

单项选择题 The tramp was locked in the store ______.

判断题 John was in a nursery school for one year.

All Rights Reserved 版权所有©PP题库网库(pptiku.com)

备案号：湘ICP备14005140号-5

经营许可证号：湘B2-20140064