There are varieties of programs in the TV station to ________ many different types of interests and tastes among the public. 

—The company has been performing poorly during the past few years.—In my view, it needs to _______ its image.

The paper studies some _______ cases in which something somehow wrong leads to the miscommunication, so that English teachers may improve their teaching.

Last night a fire in the hotel sent people ________out for safety.

Please put away your clothes hanging outside. As you know, dark clouds______ heavy rain.