It was not until dark _____he found _____he thought was the correct way to solve the problem.
Long long time ago, there was a mountain. At the top of the mountain___________, in which an old monk used to tell stories.
Choosing the right dictionary depends on ______ you want to use it for.
It is ___________ that theQing Tombs are influenced by the Ming Tombs, especially architecture and the way they are placed among the surrounding mountains and valleys.
—Where did you lose your bicycle? —It was in the playground______I played basketball.
She was the first woman ______ to the board.