Tom and John are going swimming with ________ boys this afternoon
China has made efforts to respond to _______ climate change, and set targets to control greenhouse gas emissions by 2020.
-- Sorry, I can't return your book today. I am only half way through it. -- ________. I have plenty of other books to read.
Alice was______________the letter from Tom, but it didn't reach her for some reason.
Albert Einstein, ________ life had once been very hard, was given the Nobel Prize for physics in 1921
All these changes will lead to ________ strong and powerful China, _______ country that can surprise and enrich our planet.