I didn’t know that he was a cheat, or else I ________________ him.

I insisted that a doctor ________ immediately.

I forget where I read the article, or I _____ it to you now. 

— You don’t forget when we borrowed that reference book, do you?— I can’t remember now but ________ sometime last week?

— Shall I give you a ride as you live so far away ?— Thank you. _______.