问题
选择题
The police suspected him of carrying drugs so they________his bag，but found nothing.
A．looked up
B．turned in
C．searched for
D．went through
答案
答案：D
解析 句意为：警察怀疑他携带毒品，因此他们仔细检查了他的包，但什么也没有发现。go through经历，仔细检查，用完，通过。而look up“查阅(词典)”，search for“寻找”和turn in“交还，上交”都和语境不符。