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

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Grammar › ViewChoose the correct answer for the gap:
My aunt doesn’t ___________ celebrate her birthday, but I always phone her.
A. used to
B. usually
Prepositions › View
Choose the sentence that is written correctly.
A. The students wonder about passing the next level.
B. The students wonder on passing the next level.
C. The students wonder for passing the next level.
Which modal expresses moral duty?
A. Ought to
B. Should
Grammar › View
What are ______ surnames?
A. they
B. their
C. theirs