Mr Black decided to give up his farm and devote all his time to______ those children living on the streets.
There was plenty of time. She ______ .
—Would you permit me ___________ here?— Sorry. We don’t permit ___________ in the lab.
I’ve taken someone else’s green sweater by mistakes. It ______ Harry’s. He always wears green..
_____ means to do what you promised.
It is our ______ to enjoy the moon on Mid-Autumn night.