问题描述：
1.She didn't kown where she _____ find a watch shop.
A.could B.has to C.can
2.Do you have enough sthdents to carry these boxes?
---No,I think we need ______ students.
A.another B.more two C.two more
A.could B.has to C.can
2.Do you have enough sthdents to carry these boxes?
---No,I think we need ______ students.
A.another B.more two C.two more
问题解答：
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