Spider was up and standing at the door, with every hair of her body .
Though we have been staying up for days, there’s still _____ work remaining to be done.
It is strange that the small boy _________ work out such a difficult exercise, which is even hard to settle for adults.
His wife has left him, but he behaved _______ nothing had happened.
Clearly, in a system _________ every decision is made on the basis of tradition alone, it may be difficult to achieve progress.
Suddenly it _________ to me that I should report the accident to the police.