The climate conference was attended by 11,000 people, it the largest UN gathering ever held.
Scientists generally agree that Earth’s climate will warm up over the next 50 to 100 years _________ it has warmed in the 20 000 years since Ice Age.
--Mary 1ooks down today.What is up? ---Well,_________happened between Mary and me is none of your business.
To help myself get to sleep, I have tried several ways but it seems that _______works.
______ Beijing you see today is quite ______ different city from what it used to be.
_______ you call me to say you are not coming, I’ll see you at the theatre.