You can buy the book ________ that shop.[ ]

______stopping polluting the earth______hope to live in a better environment．

Money from the __________ / [buk] / sales will be donated.

Why do you always watch Channel 8 instead of Channel 6, Grandpa ? -The program on Channel 8 are ______better .

Mr. Green _______ to Beijing two weeks ago. He ______ there many times.