Because so many visitors are visiting our school today, some teachers have to _______ guides.
________ was known to them that the boss had broken his promise ________ he would give them a rise.
There are many new central leaders in China now, ________ many once worked in the western provinces.
—Did you get my iPhone 4S broken last night? —________ I didn't mean it.
________ song Jay Chou sings will become popular pretty soon.
You ________ pay too much attention to your reading skill, as it is so important.