问题描述:
I don't know how I can swim well.(改为简单句) I don't know ________ _______ _______well.
I don't know how I can swim well.(改为简单句)
I don't know ________ _______ _______well.
I don't know how I can swim well.(改为简单句)
I don't know ________ _______ _______well.
问题解答:
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