Recognized as ________ world cultural heritage by the United Nations in 2002, paper cutting is ________ practice which originated in ancient China.

gloves are these? —Sorry. I don’t know.

What did you do yesterday?—My brother took two friends of ________ to play chess with us. But I don’t’ know _______ of them.

Jim is honest boy in my class. He bought me _____ useful book as abirthday present.

Why do you always watch Channel 10 instead of Channel 5, Grandpa? —The programs on Channel 10 are ______ better.