Fill in the blanks.
1. Industrial waste must be prevented ………………. our rivers.
Correct!
Wrong!
Use from + ing form after prevent.
2. With …………………. poor vision he really needs glasses.
Correct!
Wrong!
3. Columbus was a missionary ………………….. made the world accept his dream.
Correct!
Wrong!
When the relative pronoun is the subject of the relative clause, use who to refer to people.
4. Do you have a valid reason ………………… late?
Correct!
Wrong!
5. The passport has to be signed before the official …………………. validate it.
Correct!
Wrong!
6. Rumors that an escaped convict was on the plane …………………… to be unfounded.
Correct!
Wrong!
7. His immoral life was a disgrace ………………….. his family.
Correct!
Wrong!
8. ………………… in that desert property was a foolish venture.
Correct!
Wrong!
9. He has been unhealthy ………………….. childhood.
Correct!
Wrong!
Use since to show the starting point. We use since or for with perfect and perfect continuous tenses.
10. ………………… you wear the red dress or the blue dress is really unimportant.
Correct!
Wrong!
11. The two men do the same job ……………….. earn unequal salaries.
Correct!
Wrong!
12. ……………….. the two teams are unequal, the game isn't exciting.
Correct!
Wrong!
Since shows the reason.
Answers
- Industrial waste must be prevented from polluting our rivers.
- With such poor vision he really needs glasses.
- Columbus was a missionary who made the world accept his dream.
- Do you have a valid reason for being late?
- The passport has to be signed before the official can validate it.
- Rumors that an escaped convict was on the plane proved to be unfounded.
- His immoral life was a disgrace to his family.
- Investing in that desert property was a foolish venture.
- He has been unhealthy since childhood.
- Whether you wear the red dress or the blue dress is really unimportant.
- The two men do the same job but earn unequal salaries.
- Since the two teams are unequal, the game isn’t exciting.
