题目内容

A：Mother. You promised to take me out.B：Well，_____.

A. so I did
B. so did I
C. so I do
D. so do I

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A:It is going to be fine tomorrow.B: _______.

A. So is it.
B. So it is.
C. So it does.
D. So doesit .

She would have been more agreeable if she had changed a little bit, ____?

A. hadn’t she
B. hasn’t she
C. wouldn't she
D. did she

酸碱滴定指示剂的选择要注意些什么？

酸碱滴定法中，某种弱酸碱能否被直接准确滴定的条件是什么？