本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 8 Z! {" N3 m+ X $ a% W% c5 V% [2 {* P2 T( sLast night, I took part in a party.% @* |" [( c$ Y/ ~1 m
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.