13. All people who were without homes in the flood were provided with .................. accommodation.
A. short B. temporary C. present D. instant
17. If you were the president, what ..................... you do to help the environment?
A. will B. did C. would D. do
19. The village’s drinking water ........................ with poisonous chemicals since the factory came
into operation.
A. contaminates B. is contaminated C. has contaminated D. has been contaminated
20. When the policeman came to the scene, the driver of the car ........................
A. have left B. had left C. leaves D. was left
13. All people who were without homes in the flood were provided with .................. accommodation.
A. short B. temporary C. present D. instant
17. If you were the president, what ..................... you do to help the environment?
A. will B. did C. would D. do
19. The village’s drinking water ........................ with poisonous chemicals since the factory came
into operation.
A. contaminates B. is contaminated C. has contaminated D. has been contaminated
20. When the policeman came to the scene, the driver of the car ........................
A. have left B. had left C. leaves D. was left