. We are living in an age ______ many things are done on computer.
—What's the matter with Della?—Well,her parents wouldn't allow her to go to the party,but she still ________.
—Would you like to join me for a quick lunch before class?—________,but I promised Nancy to go out with her.
In my opinion,life in the twenty-first century is much easier than ________.
When I handed the report to John,he said that George was the person ________.
It is said in Australia there is more land than the government knows ________.