题目内容
从所给的四个选项中选择最佳答案
This maths problem is easy _____.
[ ]
A.to work out B.to be worked out
C.work out D.for us to be worked out
答案:A
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题目内容
从所给的四个选项中选择最佳答案
This maths problem is easy _____.
[ ]
A.to work out B.to be worked out
C.work out D.for us to be worked out