完成句子。

根据所给提示，完成句子。每空一词，含缩略词。

1. Get up early, or you will be late.(改为同义句)

    _____ you don't get up early, you _____ be late.

2. The kid is playing the piano at the school music club. (对划线部分提问)

     _______ is the kid ______ the piano?

3. There were many students in this school last year. (改为否定句)

    There ______ _______ many students in this school last year.

4. We hope _____ _____ (see) him be happy again(用括号内所给词的适当形式填空) 

5. I would like more time to ______ things _____ (仔细考虑).(根据汉语提示完成句子) 

对于没有预先给定借款偿还期的项目，可以采用 ______ 指标确定其偿债能力。

A．借款偿还期

B．利息备付率

C．基准收益率

D．偿债备付率