TII GRAMMAR ENHANCEMENT: Choose the correct verb appropriate for each sentence.
12. One of the reasons of his removal from work _____ his frequent absences. a. are
b. is
c. has
d. have
13. Almost of the students in this class____ grades higher than 87.
a. receive
b. receives
c. receiving
d. is receiving
14. One third of the cakes _____ eaten by the rats.
a. was
b. were
c. has
d. had
