问题描述：
The plan is heard _____ so well that we don't need to make any change.
A designed B to design
为什么不选b啊
Hear ……do 不应该还原成 be heared to do
A designed B to design
为什么不选b啊
Hear ……do 不应该还原成 be heared to do
问题解答：
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