Earthquakes _____ be dangerous, if you are in the wrong place.
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.
---Mom. I’m so tired. I can’t walk any further.---______, my dear. You can make it.