The purpose of technology is to make it easier, ______ it more difficult.
—I'm going to travel to America. Would you consider telling me about your experiences there? — __________. Let's discuss it over dinner.
Not until he left his home __________ to know how important the family was for him.
If a lot of people say a film is not good, I won't bother to see it, or I'll wait __________ it comes out on DVD. A. whetherB. after C. thoughD. until
It was not until near the end of the letter __________ she mentioned her own plan.
The word "USA" __________ "the United States of American".