One reason ______ Billy Crystal is popular with all age groups is _______ he is quick thinking and has the ability to amuse the audience.
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? ----_______________.