本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 + L: o! }8 @ ^4 m6 @! {% t( M+ I6 z9 m6 Q! G
Last night, I took part in a party.* j0 X5 G( ~; V9 @
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.