______ is your skirt —-Black.

Although the first part of the book is easy， the rest ______.

Only ticket-holders were __________ to the stadium for the concert given by Jay Chou, so many of his fans were turned away.

The following are some popular websites___________people can sell goods to each other.

The father stood up in order to protect his 15-year-old son, saying that he was not the one .