The manager commanded that the work ____ finished by the end of this month. 
#62764
A
should be
B
will be
C
must be
D
ought to be
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Today is Wednesday. He _____ be at home. He _____ be at school.
#76066
A
can't; can
B
can't; must
C
mustn't; must
D
mustn't; can
—_______ do you clean your room?— Every day. 
#77537
A
How long
B
How many
C
How often
D
How soon