单项选择题

--You've done this before, right--No, but if we follow the directions, we ______ have any trouble.

A．needn't
B．mustn't
C．shouldn't
D．couldn't
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单项选择题
--My cousin sent me a wonderful gift from Africa.--Oh, is that so ______
A．Where is it from
B．Who sent it to you
C．How did it come
D．What's it like
单项选择题
Even if you take the matter to the judge, you have no chance of winning the ______.
A．case
B．matter
C．problem
D．argument
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