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问题 选择题

It has been three months ________the famous painting was stolen.  [ ]

A．before  

B．since    

C．until    

D．unless

答案

答案：B

填空题
选择适当的介词填空，每词只能用一次。

on     over     behind     in     under

1. I can see some apples _____________ the tree.
2. There is a pair of sneakers _____________ the bed.
3. The trash bin is _____________ the door.
4. The bridge is _____________ the river.
5. There are many fish _____________ the river.
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单项选择题

担保方式中的保证要求( )订立书面保证合同。

A．债权人与债务人

B．保证人和债权人

C．保证人和债务人

D．主合同当事人
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