[ Passive Voice with Modals ]
The documents ___ carefully to avoid mistakes.
A. should be checked
B. should check
C. should be checking

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Grammar › View. If I__________ harder at school, I wouldn’t be doing this job now.
A. has worked
B. have worked
C. had worked
Vocabulary › View
a group that enjoys superior status to others
A. raze
B. elite
C. wreak
D. advocate