They are ______________. [ ]
A. friend
B. friends
C. a friend
答案：B
Though all of us hate Chinese style road crossing, there are still ______ people crossing the road when traffic lights are red in Yancheng. It must be changed.
A．few
B．a few
C．little
D．a little
省、自治区、直辖市人民政府旅游行政部门应当自收到申请领取导游证之日起（）内，颁发导游证。
A.15日
B.15个工作日
C.30日
D.30个工作日
