题目

   “It’s a long time since I enjoyed myself.” This sentence means______. A.I enjoyed myself for a long time B.I haven’t enjoyed myself for a long time C.I want to enjoy myself D.What a long time after I enjoyed myself 答案：B 解析: 句型：“It is+一段时间＋since+sb.+v.”中动词若为延续性动词，则意为“好久没有做……了”。句中enjoy为延续性动词，意为“好久没有这样玩过了”。11．如果不等式2x-m≤0的正整数解为1，2，则m的取值范围是4≤m＜6．