题目

Mo Yan is a writer. He ________ many books since he was young.A.writes B.wrote C.is writing D.has written 答案：【答案】D【解析】句意：莫言是一个作家。他从小就写了许多书。考查现在完成时。write写；wrote写，write的过去式；is writing正在写，主语为第三人称单数的现在进行时形式；has written写，主语为第三人称单数的现在完成时形式。现在完成时可以用来表示发生在过去某一时刻的，持续到现在可能还要继续 English is___ useful language because people in many countries are using it.A. a????????????? ????????????? ???????? B. an????????????? ????????????? ???? C. the????????????? ????????????? ??? D. /