Up to now, our society ________ with limited living space and a shortage of natural resources.
Word comes _____ free books will be given to ______come first in this book fair.
The fire _______ before the fire-fighters arrived.
With some snow on top of it,the Yellow Mountain looked fantastic this winter.Actually, I doubt whether we could visit ______mountian in China.
--Would you mind letting me ______ your laptop for another two weeks?----No problem.
It is well known that water is not _____ endless resource,nor _____ that can be made once more.