His idea of having weekly family meal together, which seemed difficult at first，has     many good changes in their lives．

Everybody in the village knew him，so we had       his home．

When gold was discovered in California, thousands of people rushed there _______ it.

Whenever I get into trouble, I always _______ Peter.

Economic growth in the world remains weak throughout 2013 and it is hoped that it will        up gradually in 2014.

China’s efforts on food production and safety will        after the new food law is introduced.

You should study the details of the policy          before you sign it.

He lives in a small house, which I think ________.

He has given me so much help that I really want to do something for him ______.

It’s the protection for the trees ___ really matters, _____ how many trees are planted each year.