本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 3 S: Y: s: Y9 g8 I* A9 J b2 ]! L6 j2 gLast night, I took part in a party.- R8 ?' O0 F% Z0 l
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.