Experts say walking is one of the best ways for a person to _______ healthy.
___________ the chapter four times, and I finally understand the author’s theory.
The railway bridge ___________ by 2015 will provide a faster route to transport goods.
-----Do you have enough to __________ all your daily expenses? -----Oh, yes, enough and to spare.
----Excuse me, madam.-----____________.-----Would you mind letting me take a look in your bag?
A study shows that people living in non-smoking areas are less likely to ________the habit of smoking.