Question

1) Ideally, market research ____ be done with every produt being launched on a large scale.
a) should
b) can't
c) mustn't
d) couldn't
e) maid

2) Ethical marketing implies that the use of Photosop in advertisement campaigns ____ be restricted to a minimum.
a) must to be
b) for
c) should
d) to
e) don't have to

Answer 1

a 2) é a letra (d) ...