[ Modals for Obligation ]
We______be late to school
A. must
B. have to
C. should
D. mustn’t

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Grammar › ViewMore than 80 people came to the exhibition, many of ____ children had pictures on the walls.
A. whose
B. whom
C. who
D. which
Grammar › View
True or False: A subordinating conjunction can only occur in the middle of a sentence.
A. TRUE
B. FALSE