4. What is the function of the underlined word in the
sentence?
Before I went out, I had prepared my presentation.
a. time marker
b. subject
C. verb in the past perfect tense d. object
5. Which past perfect tense verb best completes the
sentence?
When I home from a business trip, I wondered if I
my jewelries out from the box.
a. came, had taken
c. arrive, had taken
b. went, had opened
c. arrived, had worn​