一、用适当的情态动词填空
1.Overloaded with work,many doctors now get far less sleep than they .
2.There not be any difficulty about winning the speech contest now that you’re well prepared for it.
3.A journal is not necessarily a reliable record of facts,for the writer’s impressions color the telling of events.
4.—Do you know where David is?I couldn’t find him anywhere.
—Well.He have gone far —his coat’s still here.
5.—Who is the man standing there?
—If you know,h is name is Mike.
6.Since nobody gave him any help,he have done the research on his own.
7.Nuclear be really dangerous at times even though it’s a nice energy in general.