International situation is currently undergoing great changes ________ UNESCO plays an irreplaceable role in promoting international cooperation.

— Tom doesn’t seem so enthusiastic as he was two years ago.
— Yes. He’s really reached a point in his career ______ he has to decide what to do next.

Recently our community has launched a campaign among all the residents , ____ we are called upon to do our little but to prevent the worsening environment.

We’ll reach the sales targets in a month _______ we set at the beginning of the year.

 I don’t become a serious climber until the fifth grade, ______ I went up to rescue a kite that was stuck in the branches of a tree.

（2014年安徽省合肥市高三第三次教學質量檢測）25. We stayed at the Park Hotel last weekend, ______ a friend of ours recommended to us.

(2014·陜西咸陽二模)The official________I thought would be seriously punished received a raise instead.

(2014·四川省南充市第一次適應性考試)My favorite writer is Mo Yan，some of ________novels have a surprising ending.

With economy getting worse，we have reached the point________we have to cut down our daily expenses.

(2014·河北教學質量檢測)Many people tried to leave the country，________there was much violence and a serious shortage of food supply.