| 1. I would __________ a second opinion if you don't agree with what your doctor said. | | |
| 2. The number and kind of animals and plants making up a lake __________ changes continuously. | | |
| 3. Setting off fireworks on Halloween is a popular __________ in this country. | | |
| 4. In the future, we may have tiny computers inside us to monitor, and even __________ functions such as heart rate or blood pressure. | | |
| 5. I can't understand why they hired him to work in the computer lab; at best he has only a very __________ knowledge of computers. | | |
| 6. European diseases had a devastating __________ on the native people of Guatemala. | | |
| 7. My uncle works in __________ as an electrician. | | |
| 8. The __________ of his language continually causes great embarrassment at our weekly staff meetings. | | |
| 9. Ensuring that a child's basic needs are met helps to enable them to reach their full __________. | | |
| 10. One of the goals of the United Nations is to __________ international peace and security. | | |