问题描述：
关于will be 句型的
In our lab today,we'll be testing the hypothesis that babies can count as early as five months of age.
为什么要用 we'll be testing
用we‘ll test 意思有什么区别么
In our lab today,we'll be testing the hypothesis that babies can count as early as five months of age.
为什么要用 we'll be testing
用we‘ll test 意思有什么区别么
问题解答：
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