He is _____ tearing up what he has written and beginning over again.

She put some soil in the box, then sowed the seeds carefully, and covered it with more soil. _______ she kept the box in the shade.

We must be off _____. It’s eight o’clock already.

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

----That kind of computer is far too expensive. ----- I’ll buy one, ______ .