（2010·宝鸡模拟） After watching the movie Avadar, Mary lay in bed with her eyes_______ open while all her family were_______asleep.

 He began to take political science_____ only when he left school. 

（2014年安徽省合肥市高三第三次教学质量检测）23. -- Don't you think Carl was brave to go wingsuit flying?-- Personally, I think he was ______. He shouldn’t have risked his life to do so.

--- Credit cards are       useful when travelling.—True. They save us the trouble of taking too much cash.

—Mr．Wang was caught in a snowstorm yesterday．—I have known that, and ______ his new car was completely destroyed．