Question

Fill with appropriate modal verb :
one of the ____ problems facing the world today is global warming
many scientists believe that the production of carbon dioxide and greenhouse gases is having a heating effect on the atmosphere and this ______be very____ human life we ____ examine the problem of global warming and suggest some ways ______ solving it.

Answer 1

Answer:

One of the major problems facing the world today is global warming.

Many scientists believe that the production of carbon dioxide and greenhouse gases is having a heating effect on the atmosphere and this could be very dangerous/harmful for human life. We should examine the problem of global warming and suggest some ways for solving it.

Answer 2

Answer:

a) biggest

b) could

c) dangerous for

d) should

e) of

Explanation: