— It’s hard to believe that Jack have fought with the policeman.
— Yes. If one ask for trouble, it can’t be helped.
A. would; will
B. should; must
C. must; may
D. need; dare
网友回答
A. would; will
(答案→)B. should; must
C. must; may
D. need; dare
解析:考查情态动词完成时和情态动词,must + have done:用于肯定句,表示推测,意为“一定(已经)……”;should [ought to] + have done:可用于肯定句、否定句或疑问句,表示责备或遗憾等,意为“本来应该……”;need + have done:用于否定句或疑问句,用于否定时意为“本来不必”,用于疑问句时意为“有必要……吗”; may + have done:用于肯定句或否定句,表示推测,意为“可能(已经)……”。 must:十分确定的推测 will: 构成将来时 should:表示允诺,义务等意 dare表示敢于做某事,所以选B