问题
选择题
A policeman saw two thieves ____ a girl’s mobile phone on a bus and he caught them at once.
A．to steal
B．stealing
C．stole
D．stolen
答案
答案：B
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A policeman saw two thieves ____ a girl’s mobile phone on a bus and he caught them at once.
A．to steal
B．stealing
C．stole
D．stolen
答案：B