7．After the police listened to the three people who saw the robbery，they wrote a description of the robber on the early morning of June 22．Then they studied their records of robbers who had been caught for bag robberies in the past．A robber named Harry Hamilton matched the description and the robbery，so they put up notices in police stations all over the city．
Harry James Hamilton
Wanted for questioning on a bag robbery in West St on June 21 |
31．When and where did the robbery happen？B
A．Near a police station on June 21．
B．In West St on June 21．
C．Somewhere on June 22．
D．Nobody knows．
32．How did the police know that Harry wore leather jacket？A
A．The police got the information from the description of the three people who saw him．
B．The police got the information from studying the records of those past robberies．
C．Some of the policemen saw the whole robbery and wrote down what Harry wore．
D．The police knew what Harry wore because they caught him soon after the robbery．
33．The police knew it was Harry who did the robbery fromD．
A．the three people's description
B．the records of those past robberies
C．those notices put up
D．both A and B．
