[ Modals Verbs ]
All students of this institution___________abide by the rules and instructions provided.
A. could
B. might
C. Shall
D. ought to

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Modal Verbs › ViewLópez Obrador _______ intervene to take care of the Mexico´s beaches.
A. has to
B. have to
Quantifiers › View
She didn’t drink _____ milk today
A. much
B. many
C. few
D. a few
Third Conditional › ViewI __________ (call) you if I __________ (not/forget) my phone.
A. would have called – hadn´t forgotten
B. would called – haven´t forgotten
Tenses and Articles › View
It took me _____ hour to finish the homework.
A. a
B. an
C. the
D. –
