CHOOSE A, B, C OR D TO COMPLETE THE FOLLOWING SENTENCE
13. Choose A, B, C or D to complete the following sentence:
If
factories
have
better
methods
to
protect
the
environment,
________________________.
A. we won’t have to suffer the air pollution.
B. we won’t have to suffer from the air pollution
C. we wouldn’t have to suffer the air pollution
D. we wouldn’t have to suffer from the air pollution