—The air in Nanjing was much better during the Spring Festival because people were not allowed to let off firecrackers.—I agree. Everyone should do what he can the environment.
Mark is very similar _____me, but he is a little different ______ me.
__________he was busy, _________he often helped us with our studies.
Liu Lili is ______than me.
Light music makes us ______.
I was surprised that she could run ______I could.