本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 , }* O. E7 X8 e+ s. F: L& S* ~2 D; ?/ |" ?
Last night, I took part in a party. 0 {# ]1 Z3 d# K r0 ?1 ZLast night, I was taking part in a party.
to me, all 4 are ok and acceptable. depend on where and how you are going to use them. picking one over another doesn't make the sentence any more or less sophisticated.