注意：此页面搜索的是所有试题
题目内容
（华东交通大学大学英语1）
The letters for the boss __________ on his desk but he didn.t read them until three days later.
A、
were put
B、
was put
C、
put
D、
has put
A、
were put
B、
was put
C、
put
D、
has put
参考答案