Directions:There are 20 blanks in the following passage. For each blank thereare four choices marked A，B，C。
Today it 1 have a bad reputation as a cause of addiction and obesity， but for a long time sugar was a luxury and 2 the opinion of the medical profession it still should be.
Today， caring people across the country are finding creative ways to improve the lives of the homeless. These efforts 1 mental health services， and 2 haircuts —a service offered by the Nashville Street Barbers.
Directions:For each blank in the following passage ， there are four choices marked A，B，C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the Answer Sheet.
