Though the training cost a lot of time and effort, I do think it ______.
China has a good ________ for fighting against the flu with its careful and smooth organization.
Not knowing his address , she had some difficulty ________ his house.
Everything comes with ________price; there is no such _______ thing as free lunch in the world.
---- Flight 551 for Dallas ________. I must be off now. ------Have a pleasant trip then.
Near the table ________ a poor dog, who desired to satisfy his hunger with something _________ fell from the table.