题文
(2012年天津卷，2)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 |
推荐试卷
(2012年天津卷，2)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 |
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