Leave your key with a neighbor ________ you lock yourself out one day.
—Can I help you,Madame?—Oh,thanks,but I can ______ it myself.
It was foolish of him to ______ his notes during that important test,and as a result,he got punished.
He has not enough ______ to walk so far.
–What do you think of the bottled water? --I don’t like it at all. It is reported that much nutrition, including some minerals, _____ while it is being processed.
--- Shall I open the window to let some fresh air in?--- No, ________ .