找出下列每组字母或单词中含有一个不相同元音音素的选项。
Daniel was _______ a bad mood and didn’t talk to _______ .
I think _______ not difficult _______ English every morning.
She has written a lot of books, but_______ of them is good .
She feels unhappy, _____?
–---I wonder __________.–--Zebras.
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