单项选择题

We ( ) some usual international practices.

A．have adopted



B．adopt
C．adopted
D．have been adopted
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单项选择题
I was writing in my room （） a half broke my window.

A. when
B. as
C. where
D. while
单项选择题
汉译英：“报关行”，正确的翻译为( )。
A．Customs Report
B．Customs Cover
C．Customs broker
D．Customs banker
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