The president spoke at the business meeting for nearly an hour without ______ his notes.
Great changes have taken place in the city ______.
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.