Harry Potter first ________ in 2001 and attracted a large number of people.
There is ________ invitation on the desk. _______ invitation is from Lucy.
--- I’m sorry for stepping on your foot. --- ______.
Michael Jordan has failed over and over again in his life. And that is _______ he succeeds.
--- We can use QQ to communicate with each other online. --- Good. Will you please show me _______?
Basketball has a history of nearly 300 years. Today it is still loved by _______ the young _______ the old.