单选题
The blueprints that were to be delivered to the contractor today were mistakenly left ______ the architect's office.
(A) at
(B) from
(C) on
(D) for
A
B
C
D
【正确答案】
A
【答案解析】
[语法] 地点介词at(表示存在或出现的地点)
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