_____ is known to everybody, the moon travels round the earth once every month.
--- Ouch! You stepped on my toe!--- I’m sorry, I didn’t __________.
I wonder when it was __________ you came to realize __________ he said meant.
--- How come you know the accident so well?--- Well, because I was on the __________.
--- Nancy, can I take a look at the note you took for last period, please?--- I’m sorry, I __________ something else then. I’ll make it up right away.
--- I’m sorry I ________ make it yesterday. I ________, but I was really busy.--- That’s fine. I know you are usually busy at this time of year.