问题补充：
The suspect for some way of escaping from the police car , but in vain .
A. showed off
B. cast about
C. put down
D. turned away
答案：
A. showed off
(答案→)B. cast about
C. put down
D. turned away
解析：A. showed off炫耀，B. cast about搜索，想方设法C. put down记下，放下，D. turned away拒绝入内，句意：嫌疑犯想尽各种办法逃离警车，但是徒劳。选B。
