Is the boy in white clothes your friend, Kangkang? —No. ____ in black clothes is.

What _______useful book it is!—Yeah, it tells you how to play _____ guitar.

______are good friends.

They have T-shirts ______ white and red ______ only $16 ______ the shop.[ ]

Many ______ Chinese cultural relics, which have been lost over ______ last century, have started to return home.