—Jack, _____ you behave yourself? You're no longer a kid.—Sorry, Daddy.It won't happen again.
I would have come to see you earlier, but I__________too busy.
With summer coming on, the weather gets hot _________.
In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.
America was____________ was first called" India" by Columbus
To everybody's surprise, the fashionable young lady ___________ to be a thief.A. found out B. proved out C, put out D. turned out