本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 & j9 [# j$ m7 B- ?8 ?' K8 ~9 e, X
Last night, I took part in a party.2 H0 X' S6 ?: c
Last 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.