问题描述：
根据上句改写下句,使上下两个句子意义相同或相近,一空一词．
1．It will take us at least two days to plant these trees.
We will _____ at least two days _____ these trees.
1．It will take us at least two days to plant these trees.
We will _____ at least two days _____ these trees.
问题解答：
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