―Karen, can I talk to you for a minute?―Sure, ________?
Was it not until you began to work ______ how much time you had wasted?
A man does not know the difficulty of anything_________ he does it personally.
I caught the last bus from town, but Harry came home___________ that night.
Mrs. Green wants to buy that kind of cloth because she___________ that the cloth__________ very well.
_______ Tom, we wouldn’t have been late for the last bus.