1.Overloaded with work,many doctors now get far less sleep than they .
答案:should
2.There not be any difficulty about winning the speech contest now that you’re well prepared for it.
答案:should
3.A journal is not necessarily a reliable record of facts,for the writer’s impressions color the telling of events.
答案:may/might
4.—Do you know where David is?I couldn’t find him anywhere.
—Well.He have gone far—his coat’s still here.
答案:can’t
5.—Who is the man standing there?
—If you know,his name is Mike.
答案:must
