单选题 I ______ writing the article by the time you get back.
  • [A] shall finish
  • [B] must have finished
  • [C] have finished
  • [D] shall have finished


【正确答案】 D
【答案解析】[解析] 本题考查句子时态。本句为将来完成时，表示在将来的某一时刻或将来的某一时刻之前已完成，这一动作可以继续下去。本句的意思是“我要在你回来之前写完这篇文章”。