The government is ________ everyone to save water.
Two _____ died of cold last winter.
Riding bikes has advantages __________ driving cars ________ many aspects.
The party last night was _______ success. We sang and danced until it came to _______ end at 12:00.
________ David says sounds right to Helen. That's why she has made up hermind to stay with him________ happens.
She ought to stop working. She has a headache because she ______all day long.