might
must
should
16. Alyson must write her life story to inspire many.
17. I have written my first song if I only enrolled in such course last summer.
18. Parents of learners with frequent absences write their letters stating the reasons of their children's absences.
19. we turn left at this street?
20. He get sick after bathing under the rain
Answers & Comments
Answer:
16.should
17.might
18.must
19.should
20.might