Pasagot po Thanks.
17. Educators spent their summer vacation on left and right webinars before the opening of school year.
A. simple past tense
B. past perfect tense
C. past perfect progressive
D. past progressive
18. To control the speard of the virus, the local government of Taguig City had ordered closures of shopping canters before the virus speard.
A. simple past tense
B. past perfect tense
C. past perfect progressive
D. past progressive
19. I (establish) my online food business before the pandemic year of 2020 started.
A. established
B. has established
C. had established
D. have established
20. I (live) in Laguna before i moved to manila.
A. lived
B. has lived
C. have lived
D. had lived​