|
Pregunta
|
Respuesta correcta
|
Do you think we _______ avoided the economic crisis if we had taken greater precaution? :
|
could have |
John _______ been at the party last night. He flew to Japan yesterday morning. :
|
could not have |
|
Pregunta
|
Respuesta correcta
|
I’m not completely convinced of his innocence. I think he _______ been involved :
|
may have |
Did I do the right thing? Is it what you ________ done? :
|
would have |
Tim’s supposed to be here, but it looks like he _______ forgotten. :
|
may have |
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