--- The fog is so thick that the express way ____ have been closed.
--- You are right. I ____ have thought of that. Now we have to take another road.
| A．can; should | B．may; can | C．should; must | D．must; should |
相关试题
I was so tired that __ I closed my eyes, 1 fell asleep．
| A．the moment | B．the moment, when |
| C．for the moment | D．at the moment when |
______, he talks a lot about his favorite stars after class．
| A．Being a quiet student | B．Quiet student as he may be |
| C．Quiet as he may be a student | D．As he may be a quiet student |
Had the bomb dropped over a populated area of the city , there ____ a great deal of damage．
| A．may be | B．might have been |
| C．may not be | D．mightn’t have been |
I cannot see any tea in this cupboard．_____?
| A．Has it all been finished． | B．Was i t all finished |
| C．Has it all finished | D．Did．it all finish |
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