本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 # h/ _$ Y! l( j- j2 s4 s" l, D- P& o b/ G2 b
Last night, I took part in a party.# ]$ F5 l+ j, i; Q6 K7 c
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.