若集合，，则集合不可能是（ ）
do you do in English classes ? A. How B. What C. What’s
What are those ? young animals . A. Those is B. That’s C. They are
What do we call it English ? A. on B. At C. in
选出合适的词并将序号填到空格里：（1×10）
your teacher often borrow books from the library ?
，
，则集合
不可能是（ ）
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