----Can I help you with it?----I appreciate your ___________, but I can manage it myself.
With the help of the firefighters ,the workers managed to escape from burning mine , ___________.
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 _______.