问题
选择题
. The police refused to _____ the clues they were working on.
A．exhibit
B．disclose
C．expose
D．discern
答案
答案：B
考查动词。disclose (="uncover;" allow to be seen; make known) 透露, 使显露。句意：警方拒绝透露他们正在调查的线索。
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