( ) —— I'm sorry I can't help you. —— ________. A. Not at all. B. You are welcome. C. It doesn't matter.
() In order to give children a better life in the future, we should ____ the environment.
()Excuse me, may I ______ your dictionary? ______ is at home.
() There are _____ oranges on the table.
() It's too cold here. Please put _____ your coat.
() _____ are you reading in the classroom?