It was quite ___accident that I met him; he was homeless and ___rags at that time.
Now everyone is concerned about how to conquer the economic crisis, __________is very important for us to preserve our standard of living.
___________ 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?