Answer:
2. A. would have to take
3. B. is
4. D. ought to
5. C. needn't have done
6. A. should send
7. C. is to, will have
8. B. mustn't
9. C. ought
10. C. can be done
11. B. will be able
12. C. might be
Explanation:
I have been able to fill the empty spaces with the correct answers.
We see the use of modal verbs in the sentences. Modal verbs are known to be auxiliary verbs that actually express the mood of another verb. These modal verbs are actually used to show possibility, speculation, deduction, prediction, etc.
- Ask yourself, "Is this accurate" "Can this be easily tested"
- Make sure you are in a safe enviorment
- Stay firm on your experiment
Answer: ”Chapter 7 discusses the concept of addiction and the experiments around it. Previous studies have been of rats in cages and monkeys strapped into chairs. Results indicated that rats would choose heroin over food until they died. Dr. Alexander wished to know if the simple addictive nature of drugs was enough to explain this. Perhaps these outcomes were more a product of the rats and monkey's environment...”
Explanation: Got this from a website...
