问题描述:
Because the water of the pond got dirty."got dirty"是指什么?此句‘got’什么意思
能否换成Because the water of the pond was getting dirty.“was getting dirty”又是是指什么?两句有什么不同?
能否换成Because the water of the pond was getting dirty.“was getting dirty”又是是指什么?两句有什么不同?
问题解答:
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