[ Modal Auxiliary ]
He ………….. play soccer inside the classroom. (prohibition)
A. could not
B. must not
C. can’t
D. shouldn’t
Select your answer:

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Grammar › ViewYou can play in the living room … you keep it tidy.
A. otherwise
B. as long as
C. in case
D. suppose
Grammar › View
Mr. Chen was reading the newspaper when his shoes were ______.
(A)fixing
(B)fix
(C)being fixed
(D)having fixed
