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I watched the girl ________ her toy boat under the water.
Use __________ to protect the car's engine.
This email has been sent by our _________ system.
We decorated the room, in ___________ for the party.
A charity is a non-profit ____________.
The _____________ sprang from a chance encounter.
I ate all the doughnuts. I couldn't resist a __________.
His talk should generate much ________.
Bill has an extensive _________ of history.