The hospital has a new system to help ______ the best service _______ the patients. 

— My money for this month has _____. What shall I do?
— I wonder how you ____ your money in two weeks!

. It is said that his carelessness and ignorance together ________ a terrible fire, which burned down the building.

—Wow, so many books here! How can you find the one I need?
—Yhat’s easy．The books are _____ by subject．

She is          being pleased about it: she is very angry.

When asked about the secret about staying young, he said that a balanced diet      with exercise was the recipe for a healthy life.

---Have we ________ food?.
--- Yes, ______. We’d better buy some.

When the H1N1 virus____ at first in Mexico, no one had the least idea that it would spread so rapidly throughout the world.

War is closely____ poverty since they always go_____.

Quite a few problems_____ after the new examination system was introduced, and the number of students in this school _____by 5% Last year.