[ Grammar ]
School students ________ wear uniform to school.
A. should
B. must
C. need to
D. must not

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Grammar › ViewIs the group of words a sentence or a fragment?
The flowers in the garden.
A. sentence
B. fragment
Grammar › View
Choose the correct form of the verb: She _ to the library every Saturday.
A. go
B. goes
C. went
D. going
Grammar › ViewWhich modal expresses moral duty?
A. Ought to
B. Should
Grammar › View
What are ______ surnames?
A. they
B. their
C. theirs
