Complete this passage using the correct past forms of the
verbs in parentheses.

one test group (to consist) of thirty one subjects who (to give)
46 different aromas to assess, such as peppermint, pizza, parsley,
buttered popcorn, orange, and chocolate and a variety of combinations.
blood pressure of each subject (to measure) after inhalation
of the various scents. according to the study the following
foods significantly (to increase) blood flow and blood pressure
in the participants: lavender and pumpkin pie, doughnuts and
licorice, pumpkin pie and licorice. while none of the aromas
(to decrease) blood flow, all aromas (to have) some health
enhancing effect, some more than others. some participants (to
respond) most to strawberry, older people (to experience) the
greatest health and mood enhancement with vanilla, lavender,
and oriental spice.