China issued new plan which calls for immediate action to deal with country worsening air pollution.
It was the second time that we ______ in holding such important parties.
She opened her eyes and was about to cry out ______ she heard her father urgently telling her to keep quiet.
Let children speak their own opinions, ______they are different from your own.
----What did he say? ----He asked ______ for the book.
It was ______terrible earthquake and ______ number of people who were killed reached more than 20,000.