为什么前一个start用to do而后一个用doing?原句是In spring,the weather starts to get warm.leaves turn brown,red or yellow and start falling from the trees.

分类: 作业答案 • 2022-02-15 11:56:24

问题描述：

为什么前一个start用to do而后一个用doing?
原句是In spring,the weather starts to get warm.leaves turn brown,red or yellow and start falling from the trees.

答