It is strange that the well-behaved gentleman _______ be so rude.

It ____ last night, for the ground is wet now.

But for your timely warning, we ___have been unaware of the danger. Thank you very much! 

—— Don’t forget to bring my new books tomorrow afternoon. —— No, I＿＿＿＿＿＿＿. 

But for the metal cage to pull the miners to safety, the miners in Chile ____ in less than twenty-four hours.