Mike insisted that he ____ nothing wrong and ____ free.

 Now 70 years old, the British physicist, Pendry can’t remember a time when he was not asking a question as a kid, joking that he ________ his parents to death.

If you ______ firm action to deal with it at once, you wouldn’t suffer heavy losses tomorrow.

You didn’t let me drive. If we＿＿＿＿in turn, you＿＿＿ so tired. 

Could I do some explanations? Ito call on you yesterday, but someone came to see me justwhen I was about to leave.