may
must
would
should
If you had come earlier, you _______ him.A、could meetB、might have metC、might meetD、might as well meet
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You have a Class C network, and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?()A. 255.255.255.192B. 255.255.255.224C. 255.255.255.240D. 255.255.255.248E. None of the above
You__yesterday if you were really serious about the job.A.ought to come B.ought have come C.ought come D.ought to have come
Had you come five minutes earlier, you（）the train to Birmingham. But now you missed it.Awould catchBwould have caughtCcould catch Dshould catch
Have a cup of tea,（）? Thanks a lotAdon't you Bhaven't you Cshall we Dwill you
We are pleased to know that you have planned to come to the Autumn Guangzhou Fair.We wish to discuss with you some other important things if you could come（）your earliest convenience.A、byB、onC、inD、at
单选题We wish that you didn't have such a lot of work,otherwise you would have enjoyed the party.A wishB didn't haveC workD would have enjoyed
