[ Modals Verbs ]
The rules ____ carefully.
A. must be followed
B. must follow
C. must be followed
D. are follow

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Modals: Possibility, Necessity, Expectation › ViewWe are ___________ in class 5 days per week.
A. have to
B. supposed to be
C. should be
D. must
Tenses › View
. When will you visit your grandparents?
A. simple present
B. future
C. present perfect
D. past continuous
Grammar › ViewTheir neighbors are very welcoming people.
The complete subject is highlighted.
What is the simple subject?
A. their
B. neighbors
Conjunctions › View
I couldn’t attend the event ___ I had an important meeting.
A. but
B. and
C. because
D. so
