答: 确切来说last night 和yesterday evening 意义不是完全相同. night 指的是深夜快要入睡的时间,evening指的是傍晚或晚上人们还在活动交际的时间. 至于last evening,一般不这么用. 再问: 如果在试卷上写了l watched TV last night的同义句是l watched TV last evening 是对还是错? 再答: 答: 判对错就看老师了。写I watched TV at night yesterday. 是完全正确的,或者是I watched TV yesterday evening也勉强可以,都比l watched TV last evening要好。