Scientists study ____ human brains work to make computers.
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.