We have made _______great progress in the medical field, but ______ progress we have made is not enough.
______she is not so healthy_____she used to be?
The protesters (抗议者)_____the meeting by shouting and throwing stones at the window.
That evening he ____ ____what he had thought about the research.
Laura wanted to play a joke on her father but gave herself________by laughing.
The hurricane did damage to many houses and business buildings.,it caused 20 deaths.