—_______. Is this your phone? — Yes. Thank you.
--“-Food Safety ” has become one of the hottest topics recently.--Yeah,it receives _____ Internet hits(点击) a day.
Maths is more popular than____.
When we speak to people, we should be ___________ .
--I’m afraid I’ve got a bad cold. --_______.
___ he read the book, ____ he got in it.