--I wonder why everybody looks at me strangely when I cross the road. --In this city, you have to wait for a walk _____ to cross the road.
#12857
A
signal
B
symbol
C
mark
D
status
推荐题目
The boss _______ company I worked in two years ago has ______ in solving such kind of problem.
#12793
A
whose; many experiences  
B
who; many experiences
C
whose; much experience
D
which; much experience