本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 & X! r4 D: H0 X / m7 L6 N9 f H9 }Last night, I took part in a party." _: Y4 c" B# ~7 P- M1 o
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.