________its low cost, the appeal of iron as a building material lies in its strength, its resistance to fire, and its potential to span long distances.
The small mountain village we spent our holiday two years ago lies in Hubei.
They went on well at first but eventually everything ______ they had worried about happened.
The police got to _________ was once an old yard_________ the workers used as a store.
It is really hard to find a nice place in this city we can have a picnic.
A person ______ e-mail account is full won’t be able to send or receive any e-mails.