英语句子combined with the practical situation ,he was greatly developed in China at that time .这句话中为什么要用combined,而不用combining啊?

2019-06-13

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英语句子
combined with the practical situation ,he was greatly developed in China at that time .
这句话中为什么要用combined,而不用combining啊?

优质解答

1.要么he was combined with the practical situation（被动）
2.要么he combined the practical situation（主动）这个时候放句首用combining 1.要么he was combined with the practical situation（被动）
2.要么he combined the practical situation（主动）这个时候放句首用combining