1. A. police B. voice C. choice
2. A. 152 B. 154 C. 156
3. A. a great deal B. a green wall C. a good meal
4. A. My brother worked out the problem. B. My brother asked me for help.
C. I couldn’t work out the problem.
5. A. Miss Smith’s students have to return the books to the library in time.
B. The students were asked to return the book to Miss Smith in time.
C. Miss Smith returned the students’ books to the library in time.
