He is at the blackboard. [ ]
A. seeing
B. looking
C. drawing
答案：B
城市物质环境与经济增长之间的关联性的表现有：
A．二个方面
B．三个方面
C．四个方面
D．五个方面
This pair of looks nice ___Sandy because she looks very nice___ blue
A．on; in
B．in; on
C．for; on
D．to; in
