--Reading is the best way to pass time on the train.-- , I never go traveling without a book.
When I graduated from high school , my family had a business ____ I never thought about getting a college education.
—I have ____ splitting headache, too.—Yeah, you’re definitely coming down with _____ flu.
our manage objects to Tom's joining the club, we shall accept him as a member.
Wind power is an ancient source of energy we may return in the near future.
When changing lanes, a driver should use his turning signal to let other drivers know .