He ought to have handed in the paper yesterday. That’s what he ____.

A. should do

B. should be doing

C. should have done

D. should have

相关问题推荐

• I go swimming on ( ) Thursdays for two hours.

  A. /

  B. a

  C. an

  查看答案
• 企业承担社会责任的具体做法有()

  A.企业对员工的责任

  B.企业对竞争者的责任

  C.企业对环境的责任

  D.企业对顾客的责任

  查看答案
• 钢结构压弯构件的设计一般应进行()项内容的计算。

  A.强度

  B.弯矩作用平面内及平面外的整体稳定性

  C.局部稳定

  D.长细比

  查看答案
• They objected( )smoking in public places.

  A. that

  B. to

  C. in

  D. at

  查看答案
• 生产性旅行需求价格弹性大。()

  此题为判断题(对，错)。

  查看答案