问题
选择题
In order to help the police ，the witness described what he had seen very carefully not to ______ any detail.
A．act out
B．leave out
C．pick out
D．put out
答案
答案：B
考查词组，act out 付诸行动 leave out 遗漏，省去 pick out 挑选出 put out扑灭
句意为，为了帮助警察，目击者非常详细地描述了他所看到的，为了不遗漏任何细节。