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.
From her pocket , Ms Lee took out _______ was like a coin and gave it to the poor girl in rags .
The police ______ his address and phone number in order to do further investigation .
Tom looked at Jenny, with tears ______his eyes, and shouted out the words ______ in his heart for years.
The small town is so good a place ______ many people come to visit ______ it has become well known all over the world.
If we had taken such effective ______ much earlier, the river would not be polluted so seriously now.