(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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(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 |