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问题 填空题

-7ab-14abx+49ab=-7ab（    ）。

答案

1+2x-7y

判断题

“坏账准备”账户期末余额在贷方，在资产负债表上列示时，应当列示在流动负债项目中。( )
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填空题
根据问题，选择合适的答语。
A. Yes, it is.
B. No, it isn't.
C. It's a pencil case.
D. Hi, I'm Gina.
E. I'm fine. Thanks.
F. It's white.
G. Spell it, please!
1. —What's this in English?
    —______.
2. —Is this Jane's Jacket?
    — ______.
3. — Is that your pencil?
    — ______. It's my pencil.
4. —What color is the jacket?
    —______.
5. —______. 
    —B-O-O-K.
6. —How are you?
    —_______.
7. —Hi, I'm Linda.
    —_______.
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