“One blue represents the economy growing. The other blue is the blue sky. That means we have to ______ development and environmental protection,” Wang Zhongbing said.
. Issac Newton, ____ schooling was unsuccessful, became a very famous inventor.
.He _____have solved all his probems; otherwise, he wouldn’t be so relaxed.
.Well, if watching TV or seeing a film doesn’t______ to you, how about going hiking, instead?
—Would you mind giving me and my classmates a gift to school? —___
.Was it ______ Expo 2010 that made Shanghai the focus of the world then?