You ______be tired after working for eight hours without ______ a rest.
#74847
A
can; have
B
may; having
C
must; having
D
need; to have
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----May we leave the classroom now?----No, you         . You           to leave until the bell rings.
#75525
A
mustn’t; are allowed
B
can’t; aren’t allowed
C
don’t have to; are allowed
D
needn’t; aren’t allowed