本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 I3 z. L* i. i% r3 i
& f' Z/ P) @5 d9 _9 j( A% ?0 T, [
Last night, I took part in a party. , R; Z, W8 Q) U3 `1 f- [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.