The boy you lent the pen to _____ it.
Could you give me a hand __________from the car, please?
--I'm told that John had another car accident this morning. --I believe not. He _________so careless.
The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.
-I didn't know this was a one-way street, officer.
--Which play shall we go and see?