问题
单项选择题
旧发票存根按规定期限保存，发票的存根联和发票登记簿应保存（）年。
A.3
B.5
C.2
D.7
答案
参考答案：B
解析：
旧发票存根按规定期限保存，发票的存根联和发票登记簿应保存5年。
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旧发票存根按规定期限保存，发票的存根联和发票登记簿应保存（）年。
A.3
B.5
C.2
D.7
参考答案：B
解析：
旧发票存根按规定期限保存，发票的存根联和发票登记簿应保存5年。
| 根据句意，用所给单词或短语的适当形式填空。（每词或短语只限使用一次） | |
2. Nancy often __________ with her friends in summer. 3. The father was __________ of his son's efforts at school. 4. Students are __________ to share their thoughts by teachers. 5. Many schools hold several __________ of music or sports every year |