At the meeting an important problem _______ and it attracted everyone’s attention.
According to a new study by a British’s university , learning ______ second language can lead to ________ increase in your brain power.
To succeed in a difficult task ,______________.
We’ll buy a11 the products in your storehouse, ______ of course the price is reasonabte.
---_____ the letter on your way to office. ---OK. I _______.
From the situation in this financial crisis,you can see _____China is totally not ______ she used to be a century ago.