Question

Choose the correct modal verb People ......... prevent global warming a)mustn't b)ought c)have to d)shouldn't e)haven't to ​

Answer 1

c) have to (т.е. должны)

Answer 2

People ......... prevent global warming. c) have to

Answer 3

The correct modal verb to complete the sentence is:

d) shouldn't

So the complete sentence would be: "People shouldn't prevent global warming." This means that people should take actions to prevent global warming.