[ Modal Verbs ]
You _________ follow the Standard Operation Procedure (SOP).
A. must
B. should
Select your answer:

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Grammar › View……..you with him 2 days ago?
A. Is
B. Were
C. Are
D. Was
Passive Voice › View
This museum ……….. in 1989.
A. was opened
B. is opened
C. are opened
