本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 2 l! H0 o' X3 m& J8 c7 }) F& ~6 b. x) L% X" w6 ]
Last night, I took part in a party.* Q2 n# l) ^/ W6 b; O, w
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.