They kissed goodbye, then she________him and ran away, disappearing in the distance.
Why haven't you finished your homework yet? You___________ to have finished it by last Sunday.
. 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.