本帖最后由 hua_chris 于 2013-8-6 14:25 编辑 " \. a+ _( R3 z" M3 P8 C" F8 b$ S: n" B) `8 }+ a1 B2 Q- ^+ B
Last night, I took part in a party./ B* ]7 q/ w' \4 ^) y6 K
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.