单项选择题
A. Please wait here B. Show C. Here it is D. your license E. beg your pardon F. May I see G. I’m sorry H. Be careful
A．ordinary people like the television programme B．ordinary people are interested in pictures of paintings, jewellery, etc. C．the policemen can not catch the thieves themselves D．ordinary people may help the policemen get useful information about the criminals
A．he can see the difference between red and deep red B．he can see the difference between blue and green C．he can’t tell the difference between orange and green D．he thinks green is the same as blue